Answer:
Scientists use the term magma for molten rock that is underground and lava for molten rock that breaks through the Earth's surface.
Answer:
They are 1.204×10^24 atoms of hydrogen present in 18 grams of water. In order to calculate this,it is necessary to compute the number of hydrogen moles present in the sample.
Answer:
the systematic name is called Lithium sulfide.
Answer:
the first one
Explanation:
neutrons only have neutral charges and electrons are not heavier than protons