Answer:
empirical formula is C7H3NCl2
Explanation:
too much work too explain and im lazy
Answer:
A. 1 = 3 - 2
Explanation:
What defines an expression?
expression - An expression is a sentence with a minimum of two numbers and at least one math operation. This math operation can be addition, subtraction, multiplication, and division.
So if we look at the letter options we can see that A is the best choice.
Answer:
The First choice is correct
Explanation:
That is the closest example of what is shown
I think the number of protons in the nucleus the number of valence electrons atomic mass...