How many grams of magnesium oxide are formed when 15.4 L of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction?
2Mg(s)+O2(g)→2MgO(s)

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

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