Ions And Ionic Compounds Flashcards
1
Q
How to tell how many electrons are lost when an atom forms an ion
A
However many electrons (shown on the periodic table), the atom needs to get rid of to make the number of electrons zero
*Will always be positive
2
Q
How to tell how many electrons are gained when each atom forms an ion
A
However many electrons (shown on the periodic table), the atom needs to gain to make the number of electrons zero
*Will always be negative
3
Q
How to write the formula for each ion
A
Write the symbol given on the periodic table and find the corresponding charge
*Transition metals are always given and positive
4
Q
Are transition metals positive or negative
A
Positive