Basic Atomic Structure - Understanding Check

Front

What is the atomic number of an atom?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the overall charge of an atom with 1 more proton than electrons?

Back

+1

Front

Which subatomic particle has a negative charge?

Back

Electron

Front

What are the three main particles that make up an atom?

Back

Protons, neutrons, and electrons.

Front

In a chemical symbol, what does the 'Z' represent?

Back

The atomic number.

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of a neutron?

Back

0 (neutral)

Front

What is the charge of an electron?

Back

-1

Front

How do you determine the mass number of an atom?

Back

The mass number is the sum of protons and neutrons in the nucleus.

Front

What is the difference between atomic number and mass number?

Back

Atomic number is the number of protons, while mass number is the total number of protons and neutrons.