PS.8 EOG Review 2

Front

What are protons?

Back

Protons are subatomic particles located in the nucleus of an atom and have a positive charge.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, such as milk.

Front

What is a pure substance?

Back

A pure substance is a material that is either an element or a compound.

Front

How do atoms behave in a gas?

Back

Atoms move quickly and randomly in a gas state.

Front

How do you balance the chemical equation 2KI + ____Cl2 → 2KCl + I2?

Back

The blank should be filled with 1 to balance the equation.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is an example of a heterogeneous mixture?

Back

Trail mix is an example of a heterogeneous mixture, as its components are not uniformly distributed.

Front

What state of matter has a definite shape and volume?

Back

A solid has a definite shape and volume.

Front

What is the role of the nucleus in an atom?

Back

The nucleus contains protons and neutrons and is the center of the atom.