Early Theories Of An Atom

Question 1

The concept of the atom started with the ——— years ago.

Answer 1

ancient Greeks
2500

Question 2

Leucippus and Democritus believed that all matter in nature consisted of two things:

Answer 2

atoms and the void (emptiness) around them.

Question 3

——— and ——— believed that all matter in nature consisted of two things:
atoms and the void (emptiness) around them.

Answer 3

Leucippus
Democritus

Question 4

They thought that atoms are already indivisible and indestructible because these are very small.

Answer 4

Leucippus and Democritus

Question 5

believed that atoms are solid with no empty spaces within them, just like small marbles.

Answer 5

Democritus

Question 6

They also believed that different atoms have different shapes and sizes.

Answer 6

Leucippus and Democritus

Question 7

thought that matter, such as rock, can be pounded and grinded into very small grains.

Answer 7

Democritus

Question 8

This process can be repeated until you reached a point wherein a certain grain cannot be grounded into a smaller grain.

Answer 8

Democritus

Question 9

He named this very small piece of matter atomos, which means “indestructible particle”.

Answer 9

Democritus

Question 10

Democritus named this very small piece of matter ———, which means “———”.

Answer 10

atomos
indestructible particle