Chapter 1 . Chemical Foundations
Q1. How many significant figures are there in each of the following values?
a. 6.07 x 10-15
b. 0.003840
c. 17.00
d. 301
e. 300.
f. 0.00480
Q2. Evaluate each of the following and write the answer to the appropriate number
of significant figures.
a. 212.2 + 26.7 + 402.09
b. 52.331 + 26.01 – 0.9981
c. 2.01 x 102 + 3.014 x 103
Q3. Perform each of the following conversions.
a. 294.5 nm to centimeters
b. 903.3 angstrom to meters
Q4. Defination following keywords
a.
b.
c.
d.
e.
Macroscopic and Microscopic
Law and Theory
Precision and Accuracy
Homogeneous and Heterogeneous
Proton and Neutron
Chapter 2 . Naming Simple Compounds
Q1. Give the names of the elements that correspond to the following symbols :
Sn , Pt, Hg, Mg, K, Mn, Co, Al, P, Na
Q2. Name each of the following compounds
a. Fe2+
b. Fe3+
c. S2d. P3a.
b.
c.
d.
CsF
Ag2S
TiO2
MnO2
a.
b.
c.
d.
e.
Na HCO3
NaOCl
HClO
H2SO4
Na2CO3
Q3. Write the formula for each of the following compounds:
a.
b.
c.
d.
e.
f.
g.
Silicon dioxide
Sodium sulfite
Aluminum hydrogen sulfate
Nitrogen trichloride
Bromous acid
Perbromic acid
Potassium hydrogen sulfide