Answer:
row, period, group
Explanation:
In first one it should be 2Mg
and in second = 2Mgo
hope it helps....
you didn't ask a question so here is your explanation.
Q = mc∆T. Q = heat energy (Joules, J) m = mass of a substance (kg) c = specific heat (units J/kg∙K) ∆ is a symbol meaning "the change in"
1
hope it helps:)
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Heterogeneous
