1. A molecule or atom with a net charge.either positive or
negative is known as
a. anion
b. cation
c. ion
d. netral atom
2. It always form a positive ions.
A. Nonmetals
B. Ion
C. Cation
D. Anion
3.what is the net charge of a chemical compound after chemical bonding?
A. 0
B. - 1
C. +1
D. None of these
4.the charges of the cations formed are identical to
A. Period number
B. Group number
C. Both a and b
D. None of these
5.what type of elements tend to gain or accept electrons during chemical bonding?
A. Metalloid
B. Noble gases
C. Nonmetals
D. Metals
6.if the charge of Na+1 and CI-1 the formula of the compound formed is
A. NaCI2
B. Na2CI
C. NaCI
D. Na-1CI+1
7.what type of elements tend to lose or give up electrons during chemical bonding?
A. Nonmetals
B. Metals
C. Metalloids
D. Noble gases
8. Which of the following statements best describes the formation of NaCI?
A. Sodium must give 1 electron from chlorine
B. Fluorine must accept 1 electron from sodium
C. Fuorine must accept 1 electron from Sodium
D. Sodium must gain 2 electrons from chlorine
9. Which set of elements tend gain electrons?
A. Ca N, C, K
B. O, F, S, I
C. AI, Na, Ba, Li
D. H, Sr, Br, Cs
10.calcium fluoride is a compound formed from Calcium and fluorine. Which element tends to accept electrons?
A. Fluorine
B. Calcium
C. Fluoride
D. None of these​