Q.1
What elements is this?
*
Astatine
Silver
Gold
Aluminum
Q.2
What elements is this?
*
Iridium
Thulium
Neodymium
Osmium
Q.3
What elements is this?
*
Copper
Carbon
Chromium
Cobalt
Q.4
What elements is this?
*
Potassium
Krypton
Osmium
Boron
Q.5
What elements is this?
*
Cadmium
Technetium
Chlorine
Caesium
Q.6
What elements is this?
*
Nickel
Vanadium
Yttrium
Radium
Q.7
What elements is this?
*
Radium
Rubidium
Radon
Rhenium
Q.8
What group is this?
*
Halogens
Metalloids
Alkali metals
Alkaline earth metals