Alchemy Quiz 06

How many atoms are represented by the chemical formula NaNO₃?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

Refer to the image of an ethylene molecule. What is the chemical formula for this molecule?

• C₂H₄

• H₂C₄

• 4HC₂

• 2CH₄

Tags

NGSS.MS-PS1-1

In the diagrams (A-D), lighter color = nitrogen (N) and darker color = oxygen (O). Which diagram shows nitrogen dioxide (NO₂)?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

The chemical formula for the compound copper oxide is Cu₂O. What is most likely to be true about the properties of copper oxide in relation to the properties of copper and oxygen?

• Copper oxide has properties very similar to those of oxygen.

• All three substances have similar properties.

• All three substances have different properties.

• Copper oxide has properties very similar to those of copper.

Tags

NGSS.MS-PS1-1

Which combination of elements would you expect to have the most similar properties?

• hydrogen, H, and helium, He

• nitrogen, N, and oxygen, O

• carbon, C, and silicon, Si

• copper, Cu, and zinc, Zn

Which of these elements would you expect to have the greatest reactivity?

• boron, B

• carbon, C

• cesium, Cs

• neon, Ne

At room temperature, most of the elements in the periodic table are:

• metals

• nonmetals

• liquids

• gases

Is indium a metal, a nonmetal, or a metalloid?

• metal

• nonmetal

• metalloid

• depends on the temperature

• there is no way to tell

Tags

NGSS.HS-PS1-1

In what phase or state of matter would you find radon at room temperature?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

Group 1A elements are called:

• alkaline Earth metals

• alkali metals

• noble gases

• halogens

• transition metals