6.3 Writing Ionic Formulas Flashcards
1
Q
Empirical formula
A
gives the simplest, whole number ratio of atoms of each element present in a compound
2
Q
Formula unit
A
one unit of an empirical formula for an ionic compound
3
Q
Sodium sulfide
A
Na2S
4
Q
In rare cases, hydrogen can take…
A
on one electron to complete its outer energy level. These compounds (examples being NaH, KH, and LiH) are called hydrides.
5
Q
“A” Metals
A
Li, Na, K, Rb, Cs, Fr
Be, Mg, Ca, Sr, Ba, Ra
Al
