Question : Identify the last element from the fifth period.

Option 1: Helium

Option 2: Yttrium

Option 3: Rubidium

Option 4: Xenon

Question : Baking soda is ________________.

Option 1: sodium carbonate

Option 2: sodium sulphate

Option 3: sodium hydrogen carbonate

Option 4: sodium hydroxide

Question : Identify the correct statement about Newlands' law of octaves.

Option 1: He started with the element having the highest atomic mass (hydrogen) and ended with thorium which was the 56th element

Option 2: He started with the element having the lowest atomic mass (hydrogen) and ended with sodium

Option 3: He started with the element having the lowest atomic mass (hydrogen) and ended with aluminium

Option 4: He started with the element having the lowest atomic mass (hydrogen) and ended with thorium which was the 56th element

Question : In which group are the non-metal elements placed in a vertical column on the right side of the periodic table?

Option 1: Group 1

Option 2: Group 2

Option 3: Group 17

Option 4: Group 3

Question : In 1955, which synthetic element was provisionally named Mendelevium in honour of Dmitri Mendeleev, who created one of the first periodic tables?

Option 1: Element 90

Option 2: Element 101

Option 3: Element 103

Option 4: Element 106