TRUE or FALSE
1. Air, salt, and light are all examples of matter. 2. Atoms serves as the basic unit of matter, whereas molecules are aggregates of at least two atoms that are held together by a chemical bond in a definite proportion. 3. Deposition is one of the phase changes of matter in which a gas can change directly to a solid without going through the liquid phase. 4. Inside an atom, the nucleus contains the protons and neutrons, 5. To determine the number of neutrons, subtract the Mass Number from the number of protons present in an atom. 6. Joseph John Thomson discovered the neutrons. 7. Periodic Table of Elements is the ready reference that we can use in studying different elements 8. The location of the element in the periodic table indicates whether the element is a metal, a non-metal, or a metalloid. 9. There are 18 periods in the periodic table of the elements. 10. Among the sub-atomic particles, proton has the negative charge.​