Front

What is the atomic mass of Neon?

Back

20.18

Front

What does the bottom most number (39.098) represent?

Back

Atomic mass

Front

How many protons are in a sodium atom, Na?

Back

Sodium has 11 protons.

Front

How many neutrons does a Hydrogen atom have?

Back

0

Front

If an atom has 10 electrons, how many protons does it have?

Back

10

Front

What is the definition of an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.