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