Properties of Atoms

Atoms are organized as elements in the ______

Periodic table

The electron has a very little mass compared to the ___ or _____

Proton or neutron

Every atom must contain six ___ , but some contain six neutrons and others have eight neutrons.

Protons

The nuclei of all atoms of a given element always have the same number of ____

Protons

Atoms have a mass number equal to the sum of ___ and _____

Protons and neutrons

___ and ___ make up the nucleus and are made up of ______

Protons and neutrons; Quarks

Atoms are made up of _____, _____,and ______

Protons neutrons electrons

There are ____ different quarks

Six

Mass of the atom depends on the nucleus' and how many ____ and ____ it has

neutrons and protons

An element is matter composed of one type of ____

Atom

Unit of measurement used for atomic particles is the ____

Atomic Mass unit

Nuclei will also have the same number of ____ around the nucleus.

Electrons

_____ are found in an area around the nucleus called the ____

Electrons and Electron Cloud

Atoms of the same element with different numbers of neutrons are called ____

Isotopes

The mass of the atom is so small there is a measure called the atomic ______ unit designated by amu

Mass

Number of neutrons can be found by subtracting the atomic number from the ____

Mass Number

Sum of protons and neutrons is the _____

Mass Number

Some atoms may have fewer or more ____ than will other atoms of the same element.

Neutrons