Answer: it is 5.5 mg
Explanation:
you have to multiply the mass value by 1000
It makes it more accessible to everybody
Answer:
The electron from the ground state to occupy a next energy level. In this case,we say that the electron is excited
You want me to explain it as well?
You can define an element as a substance with only one type of atom in
(e.g. only sulphur atoms). If a substance has more than one type of atom
in, then it is either a compound or a mixture, depending on whether the
elements have bonded. Examples of elements are:
Oxygen
Sulphur
Carbon
Hydrogen
Protactinium
Compound-
A substance made up of atoms of two or more different elements joined by chemical bounds.
Molecule- a pure substance that cannot be broken down
Salt- A Ionic Compound Formed From The Reaction Of An Acid And Base .
