Sc 8 P 8 7

How many protons are in Carbon-14?

• 6

• 8

• 14

• 12

Tags

NGSS.MS-PS1-1

Electrons can be found in

• The protons

• The nucleus

• Electron Clouds

Where are metals located on the periodic table?

• Blue

• Green

• Red

Where are the nonmetals located on the periodic table? 

• Blue

• Red

• Green

How many total electrons does O^-2 (an oxide ion) have?

• 8

• 10

• 6

• 18

Tags

NGSS.MS-PS1-1

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red

pH is the measure of the concentration of ______.

• Acids

• H30+ ion

• OH- ion

• Bases

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute

Which one of the following is an example of a base?

• orange juice

• dish soap

• vinegar

• lemons