Ionic Formulas Flashcards
1
Q
Why do atoms bond?
A
To achieve stability
2
Q
Which group of atoms is the only group that is stable on the periodic table?
A
Noble gases
3
Q
What is an ionic bond?
A
Valence electrons are transferred between a metal and a nonmetal
4
Q
Does a metal gain or lose electrons? Nonmetal?
A
Metal loses, nonmetal gains
5
Q
What is an oxidation number?
A
Indicates the number of electrons, lost, gained, or shared for an element
6
Q
What is a chemical formula?
A
Indicates the ratio of atoms in a molecule or ionic compound
7
Q
What is the purpose of having subscripts in a chemical formula?
A
To show the amount of each specific atom in a chemical bond
8
Q
How can you make an ionic formula?
A
- Write the symbol for the metal with the oxidation number
- Write the symbol for the nonmetal with the oxidation number
- Cross and drop
- Simplify
