Question #3f570

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Question #3f570

↳Redirected from "Which following pairs of atoms, have a lower electron affinity? a) Ca,K b) I,F c) Li, Ra. I seriously don't know anything about electron affinity all ik that it can buy another element"

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Answer 1 · 2017-10-26T03:16:34

#x=25#

Explanation:

If: #3x+15=90#

Then: #3x=90-15#

And: #3x=75#

So: #x=1x=(3x)/3=75/3#

#(cancel3x)/cancel3=cancel(75)(25)/cancel3#

#x=25#

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Question #3f570

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