i. Newlands was the first to classify elements having similar chemical properties into groups of three.

Question

State whether the following statements are True or False. Rewrite the correct statement:

i. Newlands was the first to classify elements having similar chemical properties into groups of three.

ii. Dobereiner named the group of elements having similar properties as Triads.

iii. Dobereiner stated the law of octet.

iv. Newlands stated the law of triads.

v. Eka-aluminium was later named as germanium.

Answer 1

i. False. (Dobereiner was the first to classify elements having similar chemical properties into groups of three.)

ii. True.

iii. False. (Doberemer stated the law of triads.)

iv. False. (Newlands stated the law of octaves.)

v. False. (Eka-aluminium was later named as gallium.)