8.5. 8.6, 8.7 Review WJH

How many valence electrons are found in atoms of group 1?

• 7
• 6
• 4
• 1

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

Tags

NGSS.MS-PS1-1

If the last full moon was on April 4th, when can you expect to see the next full moon? 

• April 29th
• July 4th
• May 4th
• September 12th

Tags

NGSS.MS-ESS1-1

What moon phase comes after this?

• 
• 
• 
• 

If the mass number of this chlorine atom is 36, how many neutrons does it have?

• 17

• 18

• 19

• can't be determined

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Which could be an example of a balanced force?

• An asteroid moving at a constant speed through space 
• A car accelerating from a stop sign
• A box of dishes falling from a counter 
• A rocket taking off 

Tags

NGSS.MS-PS2-2

What is the charge of the electron

• positive
• no charge
• negative
• neutral

Tags

NGSS.MS-PS2-3

What is the location of the electron?

• the free floating negatively charged electron cloud
• the free floating positively charged electron cloud
• the very dense positively charged electron orbital
• the positively charged very dense nucleus

Tags

NGSS.MS-PS1-1

What moon phase occurred about 1 week before a waxing crescent? 

• Full Moon
• Last Quarter
• First Quarter
• New Moon