Hey!
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Steps To Solve:
~Substitute
3(2) - 2(3)
~Subtract
6 - 6
~Simplify
0
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Answer:

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Hope This Helped! Good Luck!
45 is the atomic mass of the atom. And the name is Scandium
It’s A. Land heats up and cools quickly then water
Bc an MRI is just a scanner it's not and never will be meant for treatment
Answer:
The answer you have selected in the screenshot is correct.
Its tendency to react with oxygen is correct.
Hope this helps.