a is the correct answer .
2.4 × 10^24
When it is acted upon by an outside force
Sodium will have a larger radius. Look up the atomic radius Trend
<span>The solution to the problem is as follows:
125/58.69 = 2.12 mol
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Therefore, there are 2.12 moles of <span>nickel (Ni) atoms are in 125 g Ni.
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I believe it is d. physical shape n particle amount (amount of particle increase if u gain weight right?), weight directly proportional to mass..
