Answer:
Compound Element
Definition: A compound contains atoms of different elements chemically combined together in a fixed ratio.
Definition: An element is a pure chemical substance made of same type of atom.
Elements and compounds are purely homogeneous substances and they have a constant composition throughout. Elements and compounds cannot be separated into their respective constituents by physical means. Compounds and mixtures are made up of different elements or different atoms.
Hopefully this helps you!!!!
The subscript in a chemical reaction cannot be changed. Its written like this:-
Ca₆
That means Ca = 6
It will be Oxygen . And total 8 protons, 8 electrons and 9 neutrons are present in it.
