Answer:
Here's what I get
Explanation:
The modern periodic law states that the physical and chemical properties of the elements are periodic functions of their atomic numbers.
14. C
15. B
16. D
17. D
18. I am not sure sorry.<span />
What happens is it makes water
Answer:

Explanation:

Data:
Mass of NaCl = 4.6 g
Mass of water = 250 g
Calculations:
Mass of solution = mass of NaCl + mass of water = 4.6 g + 250 g = 254.6 g.

Answer:
mass
Explanation:
It is the amount of matter .