Atomic Structure Flashcard

Front

Who was the first person to talk about an atom?

Back

Democritus

Front

How many neutrons are in Phosphorus?

Back

16

Front

What did Rutherford's experiments show the existence of?

Back

Nucleus

Front

What happens to Lithium if you add a proton?

Back

It becomes a new element.

Front

How many electrons are in Sulfur?

Back

16

Front

What is an atom?

Back

The smallest unit of matter that retains the properties of an element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the nucleus?

Back

The central part of an atom, containing protons and neutrons.