Periodic Table and Atom Properties

A(n) ______ is matter that is composed of one type of atom.

• Element

• Compound

• Mixture

• Solution

The smallest piece of an element that still retains the properties of the element is a(n) ______.

• Atom

• Molecule

• Compound

• Mixture

The nucleus of an atom is ______ charged.

• Positively

• Not

• Neutral

• Negatively

Neutrons have ______ charge.

• Positive

• Negative

• Variable

• No

Tags

NGSS.MS-PS1-1

Electrons have a ______ charge.

• Positive

• Negative

• Variable

• None

Tags

NGSS.MS-PS2-3

Protons have ______ charge.

• Positive

• Negative

• Variable

• No

The central core of an atom is called the ______.

• hub

• nucleus

• centromere

• epicenter

Tags

NGSS.MS-PS1-1

The chart that classifies elements according to their properties and increasing atomic numbers is called the ______.

• atomic table

• periodic table

• element map

• chemical chart

The mass of an electron is about equal to the mass of a ______.

• neutron

• proton

• nucleus

• None of these

Elements arranged in vertical columns in the periodic table are called ______.

• groups

• rows

• periods

• sections