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36 Cards in this Set

  • Front
  • Back

Aluminum

Al

Silicon

Si

Phosphorus

P

Sulfur

S

Chlorine

Cl

Argon

Ar

Potassium

K

Calcium

Ca

Scandium

Sc

Titanium

Ti

Vanadium

V

Chromium

Cr

Atoms

Smallest particle of an element

Proton

subatomic particle with a single unit of positive charge

Electron

subatomic particle with a single unit of negative charge

Neutron

Subatomic particle that has no charge (is electrically neutral)

Nucleus

In an atoms, the central core that contains protons and neutrons

Atomic number

Number of protons in an atoms nucleus; is unique for each element

Atomic mass

Mass of the nucleus

Level One

(K) maximum of two electrons

Level Two

(L) maximum of eight electrons

Level Three (M)

(M) maximum of eighteen electrons

Level Four

(N) maximum of thirty two electrons

Valence Shell

The outer level

Covalent bonds are formed...

by the sharing of two or more electrons

Ionic bonds forms...

by the transfer of one or more electrons

The atom with less electrons...

in its outer shell give/loses electron(s)

The atom with more electrons...

in its outer shell takes/gives electron(s)

Inert elements have...

their outermost energy level fully occupied by electrons

Reactive elements do not have...

their outermost energy level fully occupied by electrons

Molecules

two or more atoms held together by covalent bonds

Chemical reactions

breaking of old and formation of new chemical bonds that result in new substances

Before a reaction bond takes place....

there must be two or more reactants

Reactants

starting materials for a chemical reactions

After a reaction bond takes place...

the results that are left over are called products

Products

material created as a result of chemical reaction