If an element has a negative electron affinity, the -1 anion is more stable that the neutral atom.   Group of answer choices True False

Q: Which of the following is NOT TRUE about the ionic bond formation between magnesium and nitrogen?…

A: Ionic compounds are composed of ions that is cation and anion.

Q: Carbon (C, period 2) and Tin (Sn, period 4) are both in the same group 4A. From C to Sn…

A: The elements from C to Sn belongs to the same periodic group i.e. 4A.

Q: H* -C-(CH2)4CH=CH(CH2)4CH3 H20 CH3(CH2)6-

A: Given reaction,

Q: Which of the following expressions comparing the relative sizes of the species is TRUE?   Question…

A: We know that the atomic radius increases in group while decreases in period because of shielding…

Q: Which of the following element do not have electron affinity in the periodic table trend? O Ar, Ne…

A: Electron affinity is tendency of an element to accept an electron to gain stability.

Q: Ca+ (g) + e- --> Ca2+ (g) is the correct representation of the second ionization of calcium.…

A: Given representation,       Ca+ (g) + e- --> Ca2+ (g)

Q: What is the reason why N has a larger atomic radius than F ? (A) N has a larger atomic number (B)…

A: Nitrogen and Fluorine belong to 2nd period of the periodic table. The position in the 2nd period…

Q: Rank the following in order of increasing energy. Lowest energy first. O B<A<C OA<C<B OA<B<C O B-C<A…

A: This can be explain by resonance effect, higher the resonance less will be the energy. here C will…

Q: For which of the following properties does nitrogen have a larger value than oxygen? Group of answer…

A: The variation or the change of atomic radius , electronegativity and ionization energy can be…

Q: If Rb forms an ion, what is the most likely charge? Group of answer choices +2 +1 +3 -2 -1 -3

A: The atomic number of rubidium (Rb) is 37. The position of rubidium in the periodic table is in…

Q: 1. The potassium ion Kt is isoelectronic with which of the following? a) 02- b) F- c) S2- d) Na + e)…

A: Isoelectronic species means same number of electron present in both the elements. K+ and S2- are…

Q: Give electron dot symbols for each of the following neutral elements (place the correct number of…

A:

Q: ions smaller than their parent atoms

A: Cation has smaller size than its parent atom. Anion has  larger size than its parent atom.

Q: Given the following atoms: A) CI Answer the following: Largest radius [Select] Lowest first…

A: The chemical elements are arranged in rows and columns on what is known as the periodic table, or…

Q: Which of the following is the weakest intermolecular bond? Hydrogen bond Polar covalent bond London…

A: Here we are required to find the weakest intermolecular force

Q: what species has the larger ionization engery? S Mg

A: The energy  needed for removing an electron from valence shell of isolated gaseous atom .

Q: f an atom of element X has stronger attraction between its valence electrons and its nucleus…

A: The smallest unit of ordinary matter that makes up a chemical element is an atom. Every solid,…

Q: Which of the following must gain 2 electrons to achieve a noble gas configuration? Group of answer…

A: The arrangement of electrons in the orbitals of an atom is called the electron configuration of the…

Q: Arrange these ions according to ionic radius. Largest radius Smallest radius Answer Bank Cs* Ba* Sb-…

A: General trends in ionic radius: Generally, ionic radius decreases along the period because of an…

Q: what charge is the most stable on the following elements: Y: Pd: Te:

A: Y = [Kr]4d15s2  hence most stable charge is 3+  Pd = [Kr] 4d¹⁰ Since its already having complete…

Q: Match each attribute with how to find it using the periodic table

A: In a periodic table, all elements are arranged in a systematic way in 7 periods and 18 groups. There…

Q: Indicate whether or not each of the following pairs of atoms/ions are isoelectronic. a) K+ and Ar…

A: The isoelectronic species are those species in which the ions and the atoms have same electrons. For…

Q: d) I'- e) Ge4+ f) Ga3+

A: [Kr] 4d10, 5s2, 5p4

Q: Arrange these ions according to ionic radius. Largest radius Smallest radius Answer Bank S2- K+ Ca2+…

A:

Q: Judging from their relative positions in the Periodic Table, which element in each set is more…

A:

Q: The chlorine atom has the following electron dot structure. Group of answer choices   Two dots…

A:

Q: From the choices below, select the pair that is isoelectronic. O se2- and Ar O K and Ca O Se and Br…

A: 16. Isoelectronic species are those that are having same number of electrons.  Total number of…

Q: Based on the photoelectron spectrum, what ion charge would this element hold as an ion? #e- 5 2 IE…

A:

Q: Order each of the following sets of five atoms and ions according to increasing size. ("1" smallest…

A: The order of the size of the elements according to increasing size is given below

Q: Identify a anion. O An atom that has lost a proton. An atom that has gained a proton. O An atom that…

A: Negatively charged ions are known as anions where as positively charged ions are known as cations.…