vocabulary
elements
compound
periodic table
Silicon
100

chem

chemistry

100

Cl

chlorine

100

HHE

hydrogen

helium

100

whats on it

elements

100

Atomic number

14

200

ferno

iron

200

Co

cobalt

200

LiBe

lithium

Beryllium

200

has the names of

elements

200

symbol

Si

300

mole

mass

300

C

carbon

300

BC

boron

carbon

300

horizontal rows

18

300

atomic mass

28.085

400

oxy

oxygen

400

Xe

xenon

400

NOF

nitrogen

oxygen

fluorine

400

vertical rows

7

400

name?

silicon

500

scribe 

write

500

W

tungsten

500

NeNaMg

neon

sodium

magnesium

500

element number 52

tellurium

500

what is this section about

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