an atom of beryllium has an atomic number and a mass number of 9.

describe the numbers and arrangements of the protons, neutrons and electrons in this atom.

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes

How far is the region from the equator or control climate

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space