Practice Using Quizizz as a Test

What is the molar mass of sodium?

• 22.99

• 32.06

• 28.09

• 87.62

• 78.97

How many individual atoms are in one water, H2O, molecule?

Tags

NGSS.MS-PS1-1

Which are units of energy? You may select more than one.

• J

• mol

• cal

• atm

• in

Tags

NGSS.HS-PS3-4

Match the substances to the correct molar mass:

• Al

• 38.00 g/mol

• CO₂

• 40.00 g/mol

• NaOH

• 26.98 g/mol

• F₂

• 44.01 g/mol

• KOH

• 56.1 g/mol

What type of reaction is this?

• double replacement

• single replacement

• combustion

• synthesis/combination

• decomposition

Which compounds are reactants, and which ones are products?

Groups:

(a) Reactants

,

(b) Products

• Ca3(PO4)2

• NaNO3

• Ca(NO3)2

• Na3PO4

Balance the chemical reaction:

​ (a)   Ca(No3)2 + ​ (b)   Na3PO4 --> ​ (c)   Ca3(PO4)2 + ​ (d)   NaNO3

• 3
• 2
• 1
• 6
• 5
• 4
• 7
• 8
• 0
• 9

Tags

NGSS.HS-PS1-7

Which of the four compounds are soluble/aqueous, and which of the four compounds are insoluble/solid?

Groups:

(a) soluble (aq)

,

(b) insoluble (s)

• Na3PO4

• Ca(NO3)2

• Ca3(PO4)2

• NaNO3

This is an atom of hydrogen with a mass number of 1. Label the red and blue circles.

b

c

molecule

proton

photon

electron

neutron

Tags

NGSS.MS-PS1-1

Match the following subatomic particle with it's charge:

• -1

• neutron

• +1

• electron

• 0

• proton