The model below shows an atom of an element. What is the atomic number of this atom?
06
8
3
9
O 16
= +1
O = 0
O = -1

Explaining what is atomic number since there's no choices.The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element.The atomic number uniquely identifies a chemical element.It is identical to the charge number of the nucleus.

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem