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