Atomic Structure

Front

What does the symbol 'C' represent in the periodic table?

Back

Chemical symbol

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

To be considered a neutral atom, how many electrons must an atom with 12 protons have?

Back

12 electrons

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

Which subatomic particles contribute the most to the mass of an atom?

Back

Protons and Neutrons

Front

What is an atom?

Back

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

Front

What are protons?

Back

Positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged subatomic particles that orbit the nucleus of an atom.

Front

How do you calculate the mass number of an atom?

Back

Add the number of protons and neutrons.