Main sequence starts maybe
Answer:
An atom is composed of a positively-charged nucleus, with a cloud of negatively-charged electrons surrounding it, bound together by electrostatic force. ... Protons and neutrons are bound together to form a nucleus by the nuclear force.
Answer:
potassium contains both Ionic and covalent bonds
Explanation:
where's the question, please?
I believe the answer is the poles of the magnet.