MULTIPLE CHOICE, just answers plz no need to explain them 1)What is the electron
ID: 923474 • Letter: M
Question
MULTIPLE CHOICE, just answers plz no need to explain them
1)What is the electron configuration for Mn3+?
2)In which of the following lists do the ions not appear in order of increasing ionic radius?
a) S2- < Cl- < K+ b)Na+ < F- < O2- c)Cl- < Br- < I- d)Li+ < Na+ < K+ e)Al3+ < Mg2+ < Na+
3)During the formation of a chemical bond between two hydrogen atoms, which of the following statements is always true?
a)Energy is released during the formation of the bond.
b)A polar covalent bond is formed.
c)Electrons always are between the nuclei of the atoms.
d)One of the hyrogen atoms is ionized.
e)Resonance stabilizes the bond.
4)
4)Which of the following bonds would be the least polar yet still be considered polar covalent?
Mg - O
C - O
Si - O
O - O
N - O
a)Mg - O
b)C - O
c)Si - O
d)O - O
e)N - O
Explanation / Answer
1) The electron configuration of Mn3+ is [Ar] 3d^4
2) a) S2- < Cl- < K+
3) a)Energy is released during the formation of the bond.
4) e) N - O
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