Chemistry Baseline Knowledge

Which of these is a subatomic particle with a negative charge?

• photon

• ion

• neutron

• electron

Which of these is an example of an element?

• nitinol

• iron

• water

• carbon dioxide

What is the correct reading for the volume of liquid, in millileters (mL)

• 20 mL

• 25 mL

• 24 mL

• 24. 0mL

• 24.00 mL

A student is attempting to determine the density of an iron cylinder. The cylinder is found to have a volume of 2.5 mL and a mass of 19.7g. What units should be used to express the density of iron?

• ml

• g

• ml x g

• g/ml

Which of these is a chemical?

• wood

• water

• air

• light

Label the beaker, graduated cylinder, volumetric flask, funnel, and Erlenmeyer flask in the image

a

b

c

d

e

graduated cylinder

Erlenmeyer flask

volumetric flask

beaker

funnel

Which state of matter is being shown in box #4?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS3-4

What is the best description of this particle?

• sodium electron

• sodium atom

• sodium molecule

• sodium ion

• sodium isotope

Tags

NGSS.MS-PS1-1

To what temperature would an enclosed sample of gas need to be heated in order to double its pressure from room temperature (70.F or 21C)?

• 35F, 10.5 C

• 140F, 42C

• 108F, 42C

• 600.F, 315C

• 947 F, 508C

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

Which of these chemicals would most likely dissolve in water?

• O₂

• CO₂

• NH₃

• C₃H₈