Answer:
B
Explanation:
hope the picture helps you to understand:)
NaCl (Sodium chloride)
LiF (Lithium fluoride)
Answer:
d
Explanation:
Carbohydrates are compounds containing carbon, hydrogen, and oxygen. Therefore, a is true.
An empirical formula is the simplest ratio of atoms present in a compound. Therefore, C2H4O2 and C3H6O3, (if you simplified them like you would a fraction) would be CH2O. Therefore b is correct,
They also have the same % composition, with a ratio of 1 carbon : 2 hydrogen : 1 oxygen. Therefore, c is correct.
Since a, b and c are all correct, the answer is d, all of the above are true.
The answer is A. the solar ultraviolet ray breaks the molecule apart
Answer:
Pencil is an element and a heterogeneous mixture
Explanation:
