A.copper would require 511 cal of heat to rasise
It's a and c because the number of protons and the number of electrons are always the same
Answer:
I think it's 2
Explanation:
The magma gets so hot, it floats up before cooling and sinking again
Answer:
212 degrees F, and 100 degrees C.
Explanation:
If the temperature is held constant (which requires some heat input, since evaporation cools things) the liquid will all evaporate. If the temperature is much above 212 F, the water will boil. That means that it wont just evaporate from the surface but will form vapor bubbles, which then grow, inside the liquid itself. :)
Answer:
4 orbits in the fourth period.
19 electrons in the atom from group 1 and fourth period.
Explanation:
Potassium has 19 electrons distributed in its 4 orbits