Answer:
b. 45 u
Explanation:
the mass of an atom is equal to the protons plus neutrons:
26+19=45
hope this helps :)
Answer:
neutron, proton, and electrons
Explanation:
The protons and the neutrons make up the center of an atom which is called the nucleus
I don’t know what the answer is just need points sorry
We are given with a hydrate with a mass of 6 grams and after heating the mass and cooling afterward, the mass went down to 3.27 grams. The amount of water in the hydrate thus is 6-3.27 g or 2.73 grams.That is equivalent to 45.5 percent by mass water.
