A theory is a proposed explanation for an observation
By itself, i don’t think so.
though, paired with a hydrogen bond, it is.
If i’m wrong, please feel free to let me know :)
Answer:
It has 140 neutrons because Mass number= No of protons + no of neutrons
All three of them i know i already did that
Answer:
4.5g/mL
Explanation:
Given parameters:
Mass of ball = 36g
Volume of the ball = 8mL
Unknown:
Density of the ball = ?
Solution:
Density is the mass per unit volume of a substance.
Density =
So;
Density =
= 4.5g/mL