Pls ans 18,19 que.....
It's needed...
1st ans will be marked as brainliest ✌️✌️✌️✌️
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hey mate here is u r answer
Explanation:
the answer of 18 is 'D' ,+12uc
19.'B' 51eV
hope it helps uh
plz mark me as brainlist plz plz
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