Gr 7 U1 Mod 1 Test Review

Front

Which model represents a compound with a 1:2 ratio?

Back

Front

What 2 states of matter are pictured in the image?

Back

solid and liquid

Front

A material whose particle composition allows heat and electricity to pass through it easily are described as having a high__________.

Back

conductivituy

Front

You can separate the particles that make up sugar from the particles that make up sand because sugar are ________________ and sand are not. 

Back

soluble in water

Front

Which properties describe elements that are nonmetal gases? (select all that apply

Back

composed of individual atoms or diatomic molecules, low melting point, strong attractions between particles

Front

Why does oil not dissolve in water?

Back

Oil is made of nonpolar molecules, and water is made of polar molecules.

Front

Which of the following would be modeled by small particles made up of atoms of two kinds of elements?

Back

water

Front

Which is a property of metals as a result of their extended structures of atoms?

Back

can be hammered into sheets

Front

Forces between particles  _____________________ as the particles move faster and farther part.

Back

decrease

Front

Which of the following statements are true about gas particles? Select all that apply.

Back

gas particles frequently collide with each other, gas particles are always moving