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Name__________________
Date___________________
Period__________________
A#_________
1. How many significant figures does
each of the following have?
a) 28.6______
b) 3440.______
c) 910______
d) .046_______
e) 10.06700_______
3. Distinguish between a cation and anion.
How does an element become a cation?
Anion?
5. Write the complete orbital notation for
Fluorine.
2. What is the difference between a graph
representing data that are directly
proportional and a graph of data that are
inversely proportional?
____
4. What is the periodic trend for atomic
radii? Why?
___
6. Without looking at the periodic table,
identify the period, block, group, and # of
valence electrons in which the following
elements are located:
a) [Ne] 3s23p4
b) [Kr] 5s24d105p2
7. Distinguish between ionic and covalent
bonds. Give an example of each.
8. Properly name the following
compounds:
a) N2O
b) SrCl2
c) CuNO2
9. Write the formula of the following:
a) lead (II) nitrate ____________
b) aluminum sulfate ___________
c) sodium chromate ___________
10. Calculate the formula mass of
Mg(BrO4)2.
11. Name the following compounds:
a) CO2 ____________________
12. Write formulas for the following :
a) Li + OH ______________________
b) Mg(OH)2 _______________
b) I + Ca
______________________
c) FeCl3 ________________
c) Al + Cl
______________________
d). SO3 _____________________
d) Zn and nitrate __________________
e) PBr5______________________
13. Give the electron configuration for S
-2
____
14. Balance the following equation and
classify the kind of chemical reaction it is
N2 +
H2 →
NH3
___
15. Write formulas for the following:
a) Ammonium phosphate ____________
16. Classify the reaction, predict the
products, and write the balanced equation
b) Dinitrogen tetroxide
____________
Classification _________________
c) Cobalt (II) hydroxide
____________
d) Mercury (II) chloride
____________
Mg +
HNO3 →
17. How many grams are in 2.4 moles of
KCl?
18. What is the mass in grams of 1.50 x
1015 atoms N?
19. How many moles are in 120.0g S?
20. Determine the mass in grams of 2.45
mol Zn.