Element
Name
Name
What element is abbreviated by the letter H
Hydrogen
What number is Oxygen on the periodic table
8
Is Carbon a metal, Non-metal or metalloid
A Non-metal
_____ is the building blocks of life
Atoms
What are the transition metals categories
3-12
What element is abbriveated by the letters L and I
Lithum
What number is Chlorineon the periodic table
17
Is potassium a metal, non-metal or metalloid
A Metal
True or false:
Atoms makes up all solids in the world
True
What are the most reactive elements called?
Alkail metals
What element is abbriveated by the letters A and R
Argon
What number is Calcium on the periodic table
20
Is Silicon a Metal, Non-metal or metalloid
A metalloid
The positively charged particle
A proton
Why are noble gases stable?
They have the maximum number of valence electrons
What element is abbriveated by the letters A and U
Gold
What number is Copper on the periodic table
29
Is Phosphorus a Metal, Non-metal or metalloid
Non-metal
Isotopes of the same element have the same number of protons but different number of
Neutrons
How old is the perioidc table?
150 years old
What letter is abbreviated by the letters H and G
Mercury
What number is Krypton on the periodic table
36
Is Astatine a metal, Non-metal or metalloid
What particle did J.J. Thomson discover?
An electron
Who invented the periodic table
Dimitri Mendeleev