The Atom
Atomic Theory
Elements
Compounds
200

The center of the atom

What is the nucleus?

200

The chart by which all elements are arranged by their atomic number and grouped by chemical properties

What is the periodic table?

200

An atom that is missing an electron

What is an ion?

200

The positive particle within an atom

What is a proton?

200

The ratio of elements in a compound

What is the mass ration?

200

An atom of the same element but a different number of neutrons in the nucleus.

What is an isotope? 

200

An ion that is missing an electron

What is an anion?

300

The pure electromagnetic energy that emanates from nuclear change

What is gamma radiation?

300

This states that matter cannot be created nor destroyed.

What is the law of conservation of mass?

300

A pure substance made of the same type of atom.

What is an element?

300

A bond formed when two atoms "share" and electron.

What is a covalent bond?

400

a product of nuclear decay that is made up primarily two protons and two neutrons.

What is an alpha particle?

400

This states that, if two different compounds have the same elements, than their mass ratios must be different.  

The Law of multiple proportions

400

The number of protons in an element.

What is the atomic number?

400

A chemical bond formed by the attraction between two ions of opposite charges. 

What is an ionic bond?

500

The force that holds the nucleus together.

What is the strong force?

500

This states that all chemical compounds are made of whole number mass ratios of the elements involved.

What is the law of definite proportions?

500

A columns in the periodic table.

What is a group?

500

The force of attraction between two or more atoms to form a compound.

What is a chemical bond?