3- There are 8
basic elements of
life. True or false?

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

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.

Calculate the mass of 0.750 mol of the following substance. na3po4.