Atoms and Elements Vocabulary

The smallest unit of matter is a(n)

• molecule

• atom

• covalent bond

• electron

Which are characteristics of all metals?

• They are malleable, ductile, and conduct electricity.

• They are malleable, ductile, and form ionic bonds.

• They are ductile, inert, and conduct electricity.

• They are noble, ductile, and form ionic bonds.

Noble gases are known as

• ionic gases

• inert gases

• metalloid gases

• ductile gases

The three main subatomic particles that make up an atom are ________.

• neutrons, protons, and molecules

• neutrons, protons, and ions

• ions, electrons, and newtons

• electrons, neutrons, and protons

Elements in a vertical column on the Periodic Table have similar properties and are all members of the same ________ of elements.

• molecules

• phase

• atom

• group

The number of protons in an atom is known as its atomic ________.

• number

• mass

• phase

• bond

When two or more elements are combined, the substance produced is a ________.

• suspension

• transition metal

• compound

• noble gas

Tags

NGSS.MS-PS1-1

The force of attraction that holds two atoms together within a molecule is ________.

• thermonuclear bonding

• chemical bonding

• crystal bonding

• an atomic number

Tags

NGSS.HS-PS1-3

An atom that has lost or gained an electron no longer has a neutral charge. We call this negatively or positively charged atom a(n) ________.

• molecule

• positron

• inert gas

• ion

Tags

NGSS.HS-PS1-2

In a chemical reaction, two reactants mix. The resulting substance is called a(n) ________.

• ionic bond

• atomic bond

• product

• transition metal

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5