Physical Science Chapter 2 Review Holt

The study of what things are made of and how they react is called 

When you add two or more elements together, you have created a ________.

The kinetic theory states that the higher the temperature, the _______ the particlesmove.

The smallest unit of an element is called __________

Thekinetic theory states that at the same temperature, heavier particles move _____

Matter has _______ and _________. 

The picture on the left represents atoms in a________. 

Everything listed on the periodic table are called _________

A ___________ mixture appears to be made of one type of substance, but is not.  

Law of conservation of mass states that mass cannot be created or _____. 

______ is when a gas becomes a liquid, or when a liquid becomes a solid. 

Solid, liquid and gas are states of _______. 

Which one of these has the LEAST amount of strength between their molecules?

In the chemical formula of water (H2O), how many different ATOMS are present?

In the chemical formula of water (H2O), how many different ELEMENTS are present?

___________ must be added to cause melting or evaporation. 

This is when a solid becomes a gas without going through the liquid form first. 

A _____________ is a substance made of many different things.