Atoms Atoms Atoms

Front

__________ are negatively charged particles that are in the orbitals around the nucleus.

Back

Electrons

Front

What is the chemical symbol for Hydrogen?

Back

H

Front

How many neutrons are in the atom 'K'?

Back

20

Front

What is the mass number of the atom shown in the Bohr model?

Back

23

Front

What is the atomic number of this atom shown in the Bohr model?

Back

11

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 is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element.