True is the correct because helio means sun in greek and the sun is in the center of our universe
Answer:
Cations are positively charged atoms and hence we need to make the atom positively charged in order to get a cation
We know that an atom is neutral as a whole, so we have equal number of electrons and protons
since we cannot mess with the number of protons in an atom, we have to do it by altering the number of electrons
If we reduce the amount of electrons in an atom, the net charge will be positive and hence a cation will be formed
MgF is an ionic compound because it's bond is between a metal and a non-metal
The answer is a.n=1 because it makes sence