Answer:
Calcium
Explanation:
Clacium has atomic number 20. The atomic number. This means that it has 20 protons and 20 electrons. it has 21 neutrons.
Answer:
the difference is the presence of a carbon atom
Explanation:
Igneous that can be changed by heat and pressure which can change the form of the rock
Granite is a rock, so it would be a solid
