Acap Review Chemistry

Which of the following lists types of electromagnetic waves in order of increasing wavelength?

• gamma, radio, ultraviolet, infrared

• infrared, ultraviolet, radio, gamma

• radio, infrared, ultraviolet, gamma

• gamma, ultraviolet, infrared, radio

Tags

NGSS.HS-PS4-1

An electric current is passed through a sample of water, causing the sample to break down into oxygen and hydrogen. Given this information, is the correct classification for water?

• atom

• Compound

• element

• mixture

Tags

NGSS.MS-PS1-1

Which of the following includes an example of a chemical property of an element?

• A Aluminum is a solid at room temperature and is a poor thermal insulator.

• B Sulfur is not shiny and is not malleable.

• C Sodium is a solid at room temperature and reacts with other elements.

• D Silicon is shiny and is a poor conductor of electricity.

Gold is classified as a pure substance. Which of its properties supports this classification?

• Gold occurs in nature as a solid.

• Gold is resistant to rust and tarnish.

• Gold has a high melting point.

• Gold is made of one kind of atom.

Tags

NGSS.MS-PS1-1

Equal volumes of a liquid and a gas are placed in separate containers and equal pressure is applied .

Which statement describes the result of this experiment?

• The liquid has less mass than the gas.

• The liquid has more mass than the gas.

• The gas is less compressible than the liquid.

• The gas is more compressible than the liquid.

Which type of electromagnetic waves have the greatest energy?

• Gamma rays

• Microwaves

• Radio waves

• Visible light

Tags

NGSS.HS-PS4-4

Comparing the visible light, which do you predict has the highest energy?

• red

• violet

• orange

• yellow

Tags

NGSS.HS-PS4-1

Which is a chemical property of copper?

• It is a mineral.

• It reacts with nitric acid.

• It is a liquid at 1083 °C.

• It is malleable and ductile.

Tags

NGSS.HS-PS1-2

Dissolving sugar in hot water to make a clear sugar solution is-

• A chemical change

• A physical change

• Equivalent to melting

• The formation of a new compound

As a distant star moves away from Earth, the light given off by the star has a measurably lower frequency. What happens to the wavelength and energy of the photons of light when the frequency becomes lower?

• The wavelength becomes longer, and the energy decreases.

• . The wavelength becomes shorter, and the energy decreases.

• . The wavelength becomes longer, and the energy increases.

• The wavelength becomes shorter, and the energy increases

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4