Task List

Which of the following models best demonstrates a balanced chemical equation?

• F

• G

• H

• J

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The red numbers in the image below represent ________

• subscripts

• coefficients

• I don't know, and don't want to try

• None of the answers are correct

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The blue numbers in the image below represent ________

• I don't know, and don't want to try

• coefficients

• subscripts

• none of the answers are correct

Tags

NGSS.HS-PS1-7

What is the element name of the atom pictured? 

• Fluorine

• Neon

• Argon

• Potassium

Tags

NGSS.MS-PS1-1

What is the element name of the atom pictured? 

• Sodium

• Magnesium

• Titanium

• Vanadium

Tags

NGSS.MS-PS1-1

How many electrons are in the atom pictured? 

• 1

• 2

• 3

• 0

Tags

NGSS.MS-PS1-1

• 2
• 6
• 10
• 16

Tags

NGSS.MS-PS1-1

Which letter represents a proton?

• The proton is A.

• The proton is B.

• The proton is C.

• The proton is D.

• The proton is E.

Tags

NGSS.MS-PS1-1

What is the atomic mass of the atom pictured? 

• 9

• 10

• 18

• 19

Tags

NGSS.MS-PS1-1

What is the atomic number of the atom pictured? 

• 9

• 10

• 18

• 19

Tags

NGSS.MS-PS1-1