Atoms Vocab Question Preview (ID: 33478)


Atoms Vocab. TEACHERS: click here for quick copy question ID numbers.

The building blocks of matter. Made up of protons, electrons, and neutrons.
a) atoms
b) element
c) nucleus
d) proton

A pure substance - all the atoms have the same atomic number, or number of protons.A chemical substance that can not be broken down into any other substances.
a) atoms
b) element
c) nucleus
d) proton

The center of an atom, it contains the protons and neutrons.
a) atoms
b) element
c) nucleus
d) proton

Particles that have a (+) positive charge Found in the nucleus of an atom
a) atoms
b) element
c) nucleus
d) proton

Particles that do not have a charge and are neutral Found in the nucleus of the atom
a) neutron
b) electron
c) compound
d) atomic number

Particles that have a (-) negative charge Found in the electron cloud outside of the nucleus
a) neutron
b) electron
c) compound
d) atomic number

A molecule that has two or more different elements bonded together. Example: H and O chemically joined together H2O
a) neutron
b) electron
c) compound
d) atomic number

Same as the number of protons Same as the number of electrons APE
a) neutron
b) electron
c) compound
d) atomic number

Equal to the number of protons plus neutrons found in an atom MAN
a) atomic number
b) atomic mass
c) pure substance
d) mixture

All particles/atoms are the same EX: element compounds
a) atomic nuimber
b) atomic mass
c) pure substance
d) mixture

Each substance keeps its own properties Do NOT chemically combine Can be separated
a) atomic number
b) atomic mass
c) pure substance
d) mixture

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