Calculate the number of moles of 2.00g of K2SO4

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

If an atom has 12 protons and 13 neutrons

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.