Answer:
Technetium and Rhodium
Explanation:
For Technetium, Symbol: Tc
Atomic number: 43
Electron configuration: [Kr] 4d55s2
Atomic mass: 98 u
For Rhodium, Symbol: Rh
Electron configuration: [Kr] 4d85s1
Atomic number: 45
Atomic mass: 102.9055 u
Answer:
I think C ,correct me if I'm wrong
The amount of heat needed to vaporize the given amount of water is the product of the amount in grams and the latent heat of vaporization in cal per gram. That is,
H = (540 calories / gram)( 500 grams) = 270,000 cal
Thus, the heat needed is 270, 000 calories. The answer is letter C.
Explanation:
here's the answer to your question
