alkali metals
periodic table
100

what are alkali metals?

there elements lithium, sodium, potassium, rubidium, cesium, and francium.

100

what is the symbol for hydrogen

H

200

which group are the alkali medals found ?

group 1 

200

whats is symbol for helium

He

300

Alkali Metals are so soft they can be cut with a knife? True or False 

true 
300

what is the symbol for calcium

Ca

400

 Alkali are so reactive to air they are generally stored in what?oi

oil 

400

how many elements are there on the periodic table

118

500

what is the symbol for francium

Fr

500

how is the periodic table arranged

elements are arranged from left to right and top to bottom in order of increasing atomic number

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