Chemistry (13th Edition)
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Strontium (Sr), Phosphorous (P), Iron (Fe) ; Sr is... more
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; According to Aufbau principle electrons are ... more
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Phosphorous (P) ; P has the electronic ... more
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The outermost orbital of Li has one electron and ... more
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These are all isoelectronic species possessing 18 ... more
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1. 2. 3. 4. ; An ion has 18 electrons but 16 ... more
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The first electron of Rb () will be removed from ... more
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Red: Magnesium (Mg)Blue: Potassium (K)Green: ... more
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The anion formation of Ar is unfavorable. ; Ar is ... more
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Sodium (Na) is an alkali metal, it can easily ... more
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Ionization energy is calculated by removing an ... more
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Acidic oxides are the oxides that give acid ... more
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Barium (Ba) belongs to the category of alkaline ... more
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Classification of elements with a great ... more
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The proper arrangement of elements based on their ... more
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Row: 7Column: 18Property of arrangement: Atomic ... more
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Valence electrons ; All the elements belonging to ... more
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The elements that show metallic character possess ... more
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Metals are good conductors of electricity and ... more
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; A systematic arrangement of elements in the ... more
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The presence of incompletely arranged electrons in... more
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Lithium (Li)Beryllium (Be)Boron (B)Carbon (C)... more
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Phosphorus: Molecular species (P4)Iodine: ... more
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If the given sample can conduct heat, it is a ... more
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Electrons in the outermost shell with the highest ... more
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The electronic configuration of elements from Sc ... more
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The ions derived from group 1A, 2A, 3A, and 4A ... more
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Ions and atoms have identical numbers of electrons... more
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The atoms of different elements cannot be ... more
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, , ; Manganese (Mn) has the electronic ... more
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Hydrogen can form unipositive and uninegative ions... more
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The chemical properties of elements are determined... more
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The chemical properties of elements are determined... more
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- Halogen- Alkaline earth element- Transition ... more
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1A5A8A8B ; The number of electrons in the ... more
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Cr ; Cr has the electronic configuration . It will... more
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Fe ; Fe has the electronic configuration . It will... more
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; The electronic configuration describes the ... more
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C and , and , and Ar, Zn and ; Isoelectronic ... more
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and He, and , and Ar, and ; The number of ... more
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It is one-half of the distance between the nuclei ... more
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An anion has a lesser number of protons than ... more
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The atomic radius of an atom denotes its size and ... more
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Lead (Pb) ; The elements present in the 4A group ... more
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Fluorine (F) ; The size or radius of an element ... more
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Li has valence electrons in the 2s orbital, ... more
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The effective nuclear charge of elements increases... more
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a. Clb.c. d. e. ; The radius of an anion () is ... more
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For isoelectronic ions, the size of the ion ... more
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; The size of the cations from the same parent ... more
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; The size of any species primarily depends on ... more
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In gases, the molecules are found to be distant ... more
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is bigger than He. ; The electrons present in ... more
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It is the amount of energy that is required to ... more
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; The first ionization energy of an atom deals ... more
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Ionization energy is the amount of energy required... more
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K is an alkali earth metal, and an electron can be... more
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Across the period, the first ionization energies ... more
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The effective nuclear charges experienced by the ... more
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After removing an electron from K, it achieves the... more
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First electronic configuration belongs to ... more
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; Z for is 2. As the electron will be excited ... more
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; The atomic number (Z) of mercury is 80. ... more
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The electron affinity increases from aluminum and ... more
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Greatest: ClLowest: He ; The chloride ion is the ... more
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Yes. However, the anion would not be much stable... more
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In the case of alkaline earth, the electron will ... more
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Diagonal relationship shows the similarities in ... more
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Nonmetals generally form acidic oxide, whereas the... more
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Alkali metals have valence electrons. They lose ... more
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It will form a stable unipositive ion. It will be ... more
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Noble gases have the highest effective nuclear ... more
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Group 1B elements are less reactive than group 1A ... more
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Across the period, the elements in the left form ... more
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LiH: Lithium hydride: Ionic compound, solid: ... more
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BaO ; The metallic character of the element ... more
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The ions of representative elements: , , , , The ... more
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M is potassium and X is bromine ; Potassium has a ... more
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Br2 is the elemental state of bromine, which ... more
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and N and NeAr and Zn and and Xe ; The atomic ... more
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are arranged in the increasing order of the size ... more
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The ionization energy of elements is the energy ... more
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; When carbon dioxide passes through lime water ... more
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Fuming red liquid: BromineDark, shiny solid: ... more
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Fluorine ; Oxidation state of fluorine is -1. ... more
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When an electron is added to a neutral atom, ... more
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is larger in size in comparison to He. ; and He ... more
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Na2O is a basic oxide that reacts with water to ... more
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Li2O (Lithium oxide), BeO (Beryllium oxide), B2O3... more
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GasLiquidSolidAtomic formMolecular formPolymeric ... more
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Hydrogen exhibits the properties of both metals ... more
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0.66 ; Ionization energy is the energy required to... more
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Noble gases have complete 8 valence shell ... more
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; The atomic radius (r) of the neutral atom ... more
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; The atomic radius (r) of the neutral atom ... more
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; From the photoelectric effect, the energy ... more
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; The energy for state is given by,is the atomic... more
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Calcium (Ca) ; of X reacts with H2 to form ... more
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Element X is tin (Sn) or lead (Pb). Element Y is ... more
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a) - b)- c)- d)- ; The electronic configuration of... more
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; Ionization is an energy required to remove an ... more
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falls in the UV region of the electromagnetic ... more
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The oxidation of to readily takes place as the ... more
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; The energy change during the transformation of ... more
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: lithium hydride, : methane, : ammonia, : water... more
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Determine the oxidation number of each element in ... more
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; Count the number of atoms on each side of the ... more
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+1 oxidation state: N2O+2 oxidation state: NO+3 ... more
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Change the transition metal ion () with an alkali ... more
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The atomic radius decreases across the period ... more
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Nitrogen has a half-filled p subshell and is ... more
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Bromine: melting point ; boiling point The ... more
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Group 2A element (Alkaline Earth Metal ) ; ... more
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The melting point is greater than , it is solid ... more
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; The ionization energy (I.E.) is defined as the ... more
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Atomic number: 119Electronic configuration: ; The ... more
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The ionization energy and electron affinity are ... more
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Group 13 of the periodic table ; The removal of ... more
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The orbitals of He are completely filled, like ... more
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; In the first reaction, the oxidation state of ... more
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The force of attraction between a cation and its ... more
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The color of fluorine gas is pale yellow. It ... more
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In the periodic table, elements are arranged as ... more
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; From left to right across second period the ... more
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The two allotropes of sulfur are rhombic and ... more
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A -magnesium oxide B - magnesium nitride. ; When ... more
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; In order to calculate the wavelength of light ... more
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The ionization energy of an atom depend upon the ... more
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Nitrogen is present in air and hydrogen is present... more
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The effective charge for Li is 1.2, that for Na is... more
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Nitrogen (N2) ; Lithium is a highly reactive ... more
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Hydrogen (in the form of water) is necessary for ... more
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No.Paramagnetic elements: H, Li, B, C, N, O, F, Na... more
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In cesium metal, the electron is shared among Cs ... more
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Rn is a radioactive element and it will generate ... more
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; Ar is present between Ne and Kr. Its properties... more
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; The boiling point (B.P.) of elements decreases ... more
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Orange ; The energy gap between 6s and 5d orbitals... more
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Volume of 1 mole of K atoms is .Volume of 1 mole ... more