Answer:Reflection is the bounce back of the rays of light
Two isotopes of the same element will have the same ATOMIC NUMBER but a different MASS NUMBER.
Answer:
1
Explanation:
there is only one sulphur (S) atoms in the formula for sodium sulphate
Answer:
Motion is defined as a change of position. How we perceive motion depends on our frame of reference. Frame of reference refers to something that is not moving with respect to an observer that can be used to detect motion.
Explanation:
Answer: C) number of protons
