The Atom
Matter
Elements and Periodic Table
Mixtures and Solutions
Acids and Bases
100
The center of every atom.
What is the nucleus?
100
Anything that has mass and takes up space.
What is matter?
100
C
What is carbon?
100
The two types of mixtures.
What are homogeneous and heterogeneous?
100
The two ions that determine whether a solution is neutral, acidic, or basic.
What is hydrogen (H+) ions and hydroxide (OH-) ions.
200
The three subatomic particles of the nucleus.
What is proton, electron and neutron?
200
The form of matter that flows, has constant volume, and takes the shape of its container.
What is a liquid?
200
He
What is helium?
200
The two parts that make up a solution.
What are solute and solvent?
200
This pH is considered neutral and the amount of H+ and OH- are equal.
What is a pH of 7?
300
An atom with a different number of neutrons than protons.
What is an isotope?
300
A form of matter that flows to conform to the shape of its container, fills the container's entire volume, and is easily compressed.
What is a gas?
300
U
What is Uranium?
300
Of all the substances that God created, this comes closest to being a universal solvent.
What is water?
300
Complete ionization in an aqueous solution gives the acid or base the distinction of having "many muscles."
What is strong acid or strong base?
400
An atom or bonded group of atoms with a positive charge.
What is an ion?
400
A characteristic of matter that can be observed or measured without changing the sample's composition.
What is a physical property?
400
The 18 columns on the periodic table are known as these.
What are Groups or Families?
400
A substance is this if it can be dissolved by a solvent.
What is soluble?
400
A substance that changes color with pH ... we used red cabbage juice for our lab.
What is an indicator?
500
The weighted average mass of the isotopes of that atom.
What is the atomic mass?
500
A transition of matter from one state to another.
What is a phase change?
500
The 7 rows on the periodic table are known as these.
What are periods?
500
The term when two liquids do not form a solution, like oil and water.
What is immiscible?
500
The process whereby pure water molecules react to form a hydronium (H3O+) ion and a hydroxide (OH-) ion to maintain a neutral pH.
What is self-ionization?