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