Gen. Chem.- Chap. 2
Choose the correct answer for each question.
 

1Which of the following particles contribute mass but not charge to an atom?
protons
neutrons
electrons
nuclei

2One isotope with 30 neutrons is...
Mn-55
Zn-65
P-30
Zr-91

3Which of the following elements are in the same group?
K,Ca,Se
Na,Rb,Cs
F,Ar,Ga
H,He,Li

4Which of the following is a nonmetal?
K
Sn
P
In

5Sr typically forms ions of this charge...
-2
-1
+1
+2

6The compound tin(IV) bromide would have the formula...
SnBr
Sn4Br
SnBr4
SnBr2

7The compound calcium nitrate would have the formula...
CaNO3
Ca2NO3
Ca(NO3)3
Ca(NO3)2

8The correct name for the compound CuCl2 is...
copper dichloride
copper(II) chloride
copper(I) chloride
copper chloride (II)

9The corect name for the compound P2O5 is...
diphosphorous pentaoxide
phosphorous oxide
pentaphosphorous dioxide
phosphate

10Which of the following would be classified as an oxoacid?
HCl
HNO3
SO4 2-
AlCl3