Atoms Review

Atom is the common name for the ______________________________.

• elements on the Periodic Table

• tiny particles of matter that can't be further divided and remain the same substance

• two or more elements that have combined chemically

• substances that have mass and take up space

Protons have a _________________ charge.

• negative

• surface

• positive

• neutral

The word atom comes from Atomos, which is a Greek word that means _______.

• atom

• element

• indivisible

• molecules

Electrons have a ______________ charge.

• neutral

• negative

• positive

• surface

The nucleus of an atom contains the ____.

• protons and particles

• protons and neutrons

• electrons and neutrons

• protons and electrons

The particles that orbit the nucleus of an atom are called ____________.

• nuclei

• protons

• neutrons

• electrons

Neutrons have a ______________ charge.

• neutral

• surface

• positive

• negative

All of the elements known are found on the _________.

• head of a pin

• inside of an atom

• surface of the earth

• Periodic Table of the Elements

The amount of _________ an atom has determines the name of the element.

• protons

• neutrons

• particles

• elements

There are the same number of _________ in an atom.

• protons and electrons

• electrons and neutrons

• protons and neutrons

• protons and particles