Chapter 9 The Atom

The smallest part of an element that has the properties of that element.

An atom has 12 protons and 14 neutrons. How many electrons does it have?

This element has 14 protons.

A positive subatomic particle found in the nucleus of an atom

This element has 12 protons.

An atom has 12 protons and 14 neutrons. What is the atomic number?

This element has an atomic number of 20.

This element has an atomic mass of 7.

Charge of an electron

Subatomic particle with no charge found in the nucleus of an atom.

The number of protons and neutrons in the nucleus of an atom.

Area around the nucleus that contains the electrons.

This element has 30 protons

This element has 9 protons

This element has an atomic number of 8.

The atomic mass of sodium is 23. The atomic number is 11. How many neutrons does an atom of sodium have?

A negative subatomic particle found outside the nucleus of an atom.

The center of an atom that contains protons and neutrons?

This element has an atomic mass of 19.

Charge of a proton.

Atoms of the same element that contain the same number of protons but different number of neutrons.

The number of protons an element has.

This element has an atomic number of 6.

This element has 31 protons

charge of the nucleus

An atom has 12 protons and 14 neutrons. What is the atomic mass?

Charge of a neutron