Parts of the atom Flashcard

Front

What two particles are in the nucleus of an atom?

Back

Protons and neutrons are found in the nucleus of an atom.

Front

There are equal numbers of ___ and ___ in an atom (if it's neutral)

Back

In a neutral atom, there are equal numbers of protons and electrons.

Front

Parts of the atom that are in the 'cloud' or 'energy levels'

Back

Electrons are found in the 'cloud' or 'energy levels' around the nucleus.

Front

All matter is made of what?

Back

All matter is made of atoms.

Front

What charge does an electron have?

Back

An electron has a negative charge.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (it is neutral).

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What are the three main parts of an atom?

Back

The three main parts of an atom are protons, neutrons, and electrons.

Front

What is the role of electrons in an atom?

Back

Electrons are involved in chemical bonding and determine the atom's reactivity.