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CHEMISTRY

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

96
92
89
86

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Chemistry
Which of the following elements is non-radioactive ?

Zirconium
Thorium
Uranium
Plutonium

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

818O
92235U
13H
614C

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Chemistry
German silver used for making utensils is an alloy of

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

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Chemistry
A subshell with l=2 can take up

5 electron
10 electron
3 electron
8 electron

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