Atoms and Compounds
Energy and Matter
Properties of Water
Solutions
Acids, Bases, and pH
100
This is the basic unit of a chemical element
What is an atom
100
This makes up everything in the universe
What is matter
100
The attraction between particles of the same substance
What is cohesion
100
The universal solvent is
What is water
100
Water is a neutral substance, which has a pH of
What is 7
200
The number of protons in an atom is called
What is the atomic number
200
The ability to do work is
What is energy
200
Water does this at 100 degrees Celcius
What is, it boils
200
Something that keeps particles suspended is
What is water
200
If a substance is closer to 0 on a pH scale, it can be defined as a(n)
What is an acid
300
The central region of an atom, made up of protons and neutrons is called the
What is the nucleus
300
The two types of matter are
What are elements and compounds
300
This prefix means water
What is hydro-
300
Two types of mixtures that both contain water
What are solutions and suspensions
300
If a substance is closer to 14 on a pH scale, it can be defined as a(n)
What is a base
400
These are made up of atoms of two or more elements in fixed proportions
What are compounds
400
The force produced by gravity acting on mass
What is weight
400
The attraction between two different substances
What is adhesion
400
Solutes are dissolved by
What are solvents
400
The concentration of hydrogen ions in a substance determines this
What is the pH
500
This is an attractive force that holds atoms together
What is a chemical bond
500
Solids, liquids, and gases are
What are the three states of matter
500
This is formed by the negative oxygen end of a water molecule attracting a positive hydrogen of another water molecule
What is a hydrogen bond
500
When substances don't dissolve but break into smaller pieces, it is called
What is a suspension
500
pH is an abbreviation for
What is the power of hydrogen
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