Chemistry High School

• F

• G

• H

• J

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Does the following equation follow the law of conservation of mass?

• Yes, it follows the LoCM

• No, it does not follow the LoCM

• Not enough information

Tags

NGSS.MS-PS1-5

• F

• G

• H

• J

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT a chemical reaction?

• A nail rusting in the rain

• Cooking meat on the stove

• A campfire burning

• Bending metal into a new shape

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

• F

• G

• H

• J

Tags

NGSS.MS-PS1-2

The positively charged particle in the center of an atom is called the ___.

• proton

• electron

• neutron

• quark

Which two particles are in the atomic nucleus?

• protons and neutrons

• neutrons and electrons

• neutrons and ions

• electrons and protons

Fluorine is atomic number 9, and has a mass of 19. How many neutrons would it have?

• 9

• 6

• 19

• 10

Tags

NGSS.MS-PS1-1