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