Answer:
Compounds are pure substances that are formed by two or more types of elements, combined in different portions ...
matter is made up of particles that are in continuous motion ...
in the bohr atomic model the protons rotate around the nucleus in orbits ...
external electrons determine the chemical properties of the atom ...
chemical bonding corresponds to a force that holds compound atoms together ...
an atom acquires a stable electronic configuration when in the last energy level it has two valence electrons ...
according to the bohr atomic model, the atomic nucleus is made up of protons and neutrons .....
anions are positively charged atoms that have lost electrons.
Explanation:
