Chemical Formulas Quiz10/7/15
#1
The formula for glucose
is C6H O6. How many
elements does glucose
contain?
12
#2
Which of the following lists all the elements
that are present in a molecule of potassium
carbonate, K2CO3 ?
A. Arbon and oxygen
B. Potassium and oxygen
C. Potassium, carbon, and oxygen
D. Carbon, oxygen, and krypton
#3
Which of the following contains the fewest
number of elements?
A. S8
B. CH4
C. AlCl3
D. HNO2
#4
CH is an example of:
4
A. a chemical equation
B. a chemical symbol
C. a chemical formula
D. a chemical reaction
#5: Which of these diagrams illustrates a
compound?
#6
How many copper
(Cu) atoms are there in
Cu(NO3)2?
#7
How many atoms are in
3KOH?
#8
The chemical formula for
hydrogen peroxide is H2O2 —
What are two things that this
formula tells you about
hydrogen peroxide?
#9
In 2AgNO3, what does the
“2” mean?
#10
If a compound contains 6 atoms
of sodium (Na) and 3 atoms of
chlorine (Cl), what would the
chemical formula be?