Answer:
Explanation:
Empirical formula of ionic compound formed by two ions 
and 
is 
(for 
) of AB (for x = y)
The above empirical formula is in accordance with charge neutrality principle
Here each cation (
and 
) can form two ionic compounds by combining with two given anions (
and 
).
So the four ionic compounds are:
That would be <span>Johannes Gutenberg a German inventor from the 1400's </span>
Answer:
joules
Explanation:
it is the measurement of energy
It can tell us how old they are and how and where they moved in the past.
