Eastern Intermediate High School
Honors Biology
Name:_________________________
Date:___________ Mod:__________
Chapter 2 – Inorganic Chemistry
Worksheet – Matter and Energy Study Guide
Directions: Label the parts of the atom. Use these choices:
energy level
electron
neutron
proton
nucleus
e (2)
proton
p+
n0
(1)
electron
(4)
(3)
(5)
neutron
nucleus
energy level
Directions: Complete the chart by writing the correct items for each substance
Substance Element, Compound, or
Ion
6. 5HCl
compound
7. 14Fe
Symbol or
Formula
formula
Number of
Atoms
10
0
14
compound
symbol
formula
1
24
ion
symbol
0
1
element
symbol
0
8
11. 6H2O
compound
formula
6
18
12. 3CO2
compound
formula
3
9
8. C6H12O6
9. Na+
10. 8C
element
Number of
Molecules
5
1
Directions: Complete the chart by checking the correct column for each process.
Process
Change in Physical
Property
Change in Chemical
Property
13. Digesting food
X
14. Freezing water
X
15. Rusting iron
X
16. Melting wax
X
17. Dissolving sugar
X
18. Chewing food
X
X
Directions: Determine if the statement is true. If it is not, rewrite the italicized term to make it
true.
Statement
True or False
Rewrite
19. NaCl has a covalent bond.
FALSE
ionic
20. H2O is made of molecules.
FALSE
atoms
21. HCl has an ionic bond.
TRUE
+
22. Na is a molecule.
FALSE
ion
23. Salt water is a compound.
FALSE
mixture - solution
24. Water will dissolve sugar.
TRUE
0
1
2
3
4
5
6
7
8
9
10
11
Coffee
H2 O
Detergent
Tile
Cleaner
Directions: Use the pH scale below to help identify each material and its pH
25.
lye
is a strong base with a pH of
14
26.
coffee
is a weak acid with a pH of
5
27.
H2O
is neutral with a pH of
7
28.
Tile cleaner
is a strong acid with a pH of
1
29.
detergent
is a weak base with a pH of
10
2
12
13
14
Lye