Need to Know
Other elements
More elements
MORE ELEMENTS
100
the first element of the periodic table of elements, and is also highly reactive.
What is Hydrogen
100
Has the atomic symbol of NA
What is sodium
100
Has atomic symbol of Zn
What is Zinc
100
Has atomic symbol of Ag
What is silver
200
the 2nd element in the periodic table of elements, and is unreactive.
What is helium
200
Has the atomic symbol of K
What is Pottasium
200
has atomic symbol of Fe
What is iron
200
has atomic symbol of Au
What is gold
300
The only metal element that is a liquid at room temperature.
What is mercury
300
has atomic symbol of ca
What is calcium
300
Has atomic symbol of Co
What is cobalt
400
The only liquid element at room temperature in the halogen group.
What is bromine
400
has atomic symbol of Ti
What is Titanium
400
has atomic symbol of Ni
What is Nickel
500
The person who created the Periodic Table of Elements
Who is Mendeleev
500
has atomic symbol of Cr
What is chromium
500
has Atomic symbol of Cu
What is copper
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