Science - Atomic Structure and Development of the Periodic Table

Everything is a pile of _____.

The basic unit of an element.

_____ is the Greek philosopher who discovered atoms around _____ BCE.

The atom is derived from the Greek word _____ which means indivisible.

What is the smallest unit of matter?

Atoms are composed of three particles called as _____.

What are the subatomic particles of an atom? (by weight arrangement ng sagot, heaviest to lightest)

The center of an atom.

What are the two subatomic particles inside the nucleus? (by weight arrangement)

_____ surrounds the nucleus in _____.