Asubstance that is composed entirely of atoms which all have the same number of protons in their nuclei is known as a. an element b. a molecule c. a neutron d. a compound

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What does the symbol (–hfus) indicate in a phase change?

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.