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CHEMISTRY

Chemistry
The trans-uranium elements are the chemical elements with atomic numbers greater than

92
96
86
89

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Chemistry
Which of the following elements is non-radioactive ?

Thorium
Plutonium
Zirconium
Uranium

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Chemistry
Which of the following is used in dating archaeological findings ?

13H
818O
92235U
614C

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Chemistry
German silver used for making utensils is an alloy of

Copper, zinc, nickel
Copper, nickel, aluminium
Copper, silver, nickel
Copper, zinc, aluminium

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Chemistry
A subshell with l=2 can take up

10 electron
5 electron
3 electron
8 electron

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