Show what you know: Atoms & Elements

What subatomic particle is the arrow pointing at?

• Electron

• Proton

• Neutron

Tags

NGSS.MS-PS1-1

What subatomic particle is the arrow pointing at?

• Electron

• Proton

• Neutron

Tags

NGSS.MS-PS1-1

What subatomic particle is the arrow pointing at?

• Electron

• Proton

• Neutron

Tags

NGSS.MS-PS1-1

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

Each chemical element is made up of only one kind of ____.

Tags

NGSS.MS-PS1-1

Chemists use letters of the alphabet as __________ for the elements.

A __________ is a particle with no charge.

• electron

• proton

• neutron

What is the atomic number of this element? (Refer to the Oxygen element box) ​ (a)  

• 16
• 24
• 6
• 8

Tags

NGSS.MS-PS1-1

How many neutrons does this element have?

(a)  

• 8
• 16
• 24
• 12

Tags

NGSS.MS-PS1-1

What is the atomic mass of this element? (Refer to the Aluminum element box)

(a)  

• 27
• 13
• 40
• 65

Tags

NGSS.MS-PS1-1