7/24/2019 Important Science Qus

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Important Science Qus.

1. Which is the heaviest element gas ?

Answer: Radon

2. Which is the heaviest metal ?

Answer: Osmium

. Which is the lightest elemental gas ?

Answer: !"drogen

#. Which is the lightest metal ?

Answer: $ithium

%. Which is the most a&undant gas in the atmosphere ?

Answer: 'itrogen

(. Which is the most a&undant gas in the universe ?Answer: !"drogen

). Which is the most a&undant element in the earths crust ?

Answer: O*"gen

+. Which is the most a&undant metal in the earths crust ?

Answer: Aluminum

,. Which is the -etal used as lament o/ electric &ul& ?

Answer: 0ungsten

1. Which is the most conducting element ?

Answer: Silver

11. Which is the rst articial element ?

Answer: 0echnetium