Answer:
Matter is the "stuff" that makes up the universe everything that takes up space and has mass is matter.
All matter is made up of atoms, which are in turn made up of protons, neutrons and electrons
Answer:
a ground state electron jumps to a higher energy level
The answer to your question is letter D. Secured.
Carbohydrates,Lipids,Proteins,Nucleic acids,<span>Organic Compounds</span>
Answer:
17
Explanation:
the mass number of the element which is protons and neutrons is 17+18=35
electronic configuration is 2, 8, 7
valency of the element is 1 therefore the atomic number is 17
