Answer:
A. All the molecules or atoms in motion have kinetic energy.
B. All the molecules or atoms in motion have thermal energy.
C. Each molecule or atom in motion has thermal energy.
D. Each molecule or atom in motion has kinetic energy.
Explanation:
Answer:
B. Na and Li
Both are group I elements.
The first one is 2
The second is 1
The third is 6
And the fourth is 3
Answer:
A
B
C
Explanation:
A B and C are heterogeneous because they don’t have all the same components throughout. D is homogeneous because kool aid dissolves into the water.
Answer:
Read Explanation
Explanation:
Aluminum foil does contain billions of atoms, but we write them just as Al because aluminum does not exist in single atom forms in normal circumstances but as billions in metallic bonds.
