How many moles of Na are needed to produce 4 moles of NaCl in the
reaction below?
2 Na + Cl2 --> 2 Naci
Select one:

Does the energy in a solid increase or decrease when changing to a liquid?

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.