The smallest piece of an element:

• quark

• electron

• shell

• atom

The cloud-like space that electrons travel around:

• nucleus

• shell

• neutrons

• Oort cloud

Protons and neutrons are found in the center of the atom called the:

• nucleus

• neutron

• shell

• cell

Tags

NGSS.MS-PS1-1

Classification system for elements is called:

• Elements

• Periods

• The Periodic Table of Elements

• Families

The subatomic particles are called:

• protons, nucleus and electrons

• protons, electrons and neutrons

• protons, positives and negatives

• cloud, shell and quarks

Tags

NGSS.MS-PS1-1

Substances that have only one kind of atom are called:

• elements

• nitrogen

• electrons

• nucleus

Electrons have a _____ charge.

• neutral

• negative

• positive

• both positive and negative

Tags

NGSS.MS-PS1-1

NGSS.MS-PS2-3

What is the study of matter?

• Chemistry

• Biology

• Earth Science

• Physics

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

_____ is what scientists think atoms are like.

• Chemistry

• The box

• The atomic structure

• The atomic theory

Tags

NGSS.MS-PS1-1

The abbreviation for an element:

• element name

• atomic number

• chemical symbol

• atomic symbol