T or F

1.      Temperature is a measure of the random motion of atoms and molecules.

2.      In nature, light is produced by accelerating charged particles and by electrons engaging in quantum jumps.

3.      Reddish stars have hotter surface temperatures compared to bluish stars.

4.      Helium has an atomic number of 2 which indicates that a neutral atom of helium-4 contains 4 electrons.

5.      Changing the number of neutrons inside an atom will change one element into another element.

6.      Two molecules of the element hydrogen are needed to make one atom of the compound water.

7.      Cool stars tend to form molecules by allowing atoms to share electrons with each other.