Answer:
francium, caesium, helium
6:c
7: might be ice but im not really sure, hope you do well.
Explanation:
Answer:
boiling, melting, freezing, and shredding.
Explanation:
Some examples.
Answer:
Here
Explanation:
Chemists need the mole concept to bridge the gap between the microscopic world of atoms to the macroscopic world of humans. As you know, the molecular level consists of particles that are invisible to us.