Atoms and Elements

What part of the atom is the arrow pointing to?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What part of the atom is the arrow pointing to?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What part of the atom is the arrow pointing to?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

An element is determined by the number of ________ in its nucleus (also known as its atomic number).

• neutrons

• electrons

• protons

Each chemical element is made up of only one kind of

• atom

• molecule

• electron

• neutron

Tags

NGSS.MS-PS1-1

Chemist use letters of the alphabet as _________ for the elements.

• pictures

• colors

• symbols

A ________ is a particle with no charge.

• proton

• neutron

• electron

What is the atomic number of this element?

• O

• 8

• 16

Tags

NGSS.MS-PS1-1

How many protons does this element have?

• 16

• 8

• 0

Tags

NGSS.MS-PS1-1

What is the atomic mass of this element?

• 13

• 26.982

• Al