Rockhurst Chem Review 2022

How many significant figures are in 1020?

• 1
• 2
• 3
• 4

What is 2 + 2.1, accounting for significant figures?

• 4
• 4.1
• i need a calculator... 

A unit which cannot be expressed in terms of other units is called:

• derived
• funadmental
• metric
• imperial 

Which of the following is largest?

• 1mm

• 1cm

• 1µm (micrometer if mu doesn't show up for you)

• 1pm

The direct change from a solid to a gas is called

• boiling
• vaporization
• deposition
• sublimation

Tags

NGSS.MS-PS1-4

plasma is ionized. this means it is stripped of 

• p⁺
• n⁰
• e^-
• the whole nucleus 

How many valence electrons are in chlorine?

• 1

• 2

• 7

• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of this periodic family?

• Alkali Earth Metals
• Alkali Metals
• Halogens
• Noble Gasses

Tags

NGSS.HS-PS1-1

What is the charge of this family?

• -1
• +1
• -2
• +2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the mass number of this isotope?

• 63
• 29
• 63+29 = 92
• 63-29 = 34

Tags

NGSS.HS-PS1-7