Decide what kind of reaction the problem below went through. How many kilo joules of heat are absorbed when 7.50 g of MgO(s) are decomposed into Mg(s) and O2(g) at constant pressure? a.) endothermic reaction
b.) not enough information to determine
c.) exothermic reaction​

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

What is a metal replacement reaction