number 5 is 1 : 1
number1 is also 1:1 ibelieve but it could be 2:1 just like number 5 but im postive its 1:1 for nummer 1 and number 5
Answer: A
Explanation: Protons and neutrons form the nucleus of the atom, with electrons orbiting it.
D will because water just turns from liquid to a gas by adding heat. That is a physical change. The other equations are chemical changes.
Answer:
c is not a true statement
Answer:
Covalent substances have weaker intermolecular attractions.
Explanation:
i just took the test
