Atomic Theory

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H+ Hydrogen

Na+ Sodium

Mg+2 Magnesium

Ca+2 Calcium

Ag+2 Silver

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Fe+2 Iron (II) Ferrous

Fe+3 Iron (III) Ferric

Cu+1 Copper (I) Cuprous

Cu+2 Copper (II) Cupric

NH4+ Ammonium

mo’ Cations

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Anions

F-1 Fluoride

Cl-1 Chloride

Br-1 Bromide

I-1 Iodide

The Halogens

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PO4-3 Phosphate

SiO4-2 Silicate

SO4-2 Sulfate

MoO4-3 Molybdate

B4O7-2 Borate

Anions

OH-1 Hydroxide

NO2-1 Nitrite

NO3-1 Nitrate

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Cathode Anode

NeverReady

+

-

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SALT - a Cation and an Anion held together by an ionic bond.

opposites attract

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Solution

Solvent Solute

H2O NaCl

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SolVent SolUte

The chemical The chemical

in a solution in a solution

that makes up that makes up

the greatest part. the least part.

O

E

R

N

DE

R

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Sol ent

The chemical

in a solution

that makes up

the greatest part.

V

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Salt Solution

Legend

Cation

Anion

Salt

Water

Solvent

Solute

Crystal

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Covalent bond

P+1

when two atoms share a pair of electrons.

P+1

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Covalent bond

when two atoms share a pair of electrons.

P+1

P+1

It’s like both atoms have a filled orbital.

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Covalent Bond

The sharing of a pair of electrons between 2 atoms.

(or even 2 or 3 pairs of electrons).

H2

Slide 136

Covalent Bond

The sharing of a pair of electrons between 2 atoms.

Li2

Slide 137

Covalent Bond

The sharing of a pair of electrons between 2 atoms.

Cl2

Slide 138