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Use thiss 1!! Elements 1-20
The Periodic Table of Elements
21
Science
8th Grade
12/29/2010

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Cards

Term
H
Definition

Atomic # 1

Name: Hydrogen

Atomic mass: 1.008

Term
He
Definition

Atomic #: 2

Name: Helium

atomic mass: 4.003

Term
Li
Definition

Atomic # 3

Name: Lithium

Atomic mass: 6.941

Term
Be
Definition

Atomic # 4

Name: Beryllium

atomic mass: 9.012

Term
B
Definition

Atomic #5

Name: Boron

Atomic mass: 10.811

Term
C
Definition

Atomic #6

Name: Carbon

Atomic mass: 12.011

Term
N
Definition

Atomic # 7

Name: Nitrogen

atomic mass: 14. 007

Term
O
Definition

Atomic # 8

Name: Oxygen

Atomic Mass: 15.999

Term
F
Definition

Atomic # 9

Name:  Fluorine

Atomic mass: 18.998

Term

Ne

 

Definition

Atomic # 10

Name: Neon

Atomic Mass: 20.180

Term
Na
Definition

Atomic # 11

Name: sodium

Atomic mass: 22.990

Term
Mg
Definition

Atomic # 12

Name : Magnesium

Atomic Mass: 24.305

Term
Al
Definition

Atomic # 13

name: Aluminum

Atomic Mass: 26.982

Term
Si
Definition

Atomic # 14

Name: Silicon

Atomic Mass: 28.086

Term
P
Definition

Atomic # 15

Name: Phosphorous

Atomic mass: 30.974

Term
S
Definition

Atomic #16

Name: Sulfur

Atomic mass:  32.066

Term
CL
Definition

Atomic # 17

Name: Chlorine

Atomic Mass: 35.453

Term
Ar
Definition

Atomic # 18

Name: Argon

Atomic mass: 39.948

Term
K
Definition

Atomic # 19

Name:  Potassium

atomic mass: 39.098

Term
Ca
Definition

Atomic # 20

Name:Calcium

Atomic mass: 40.078

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