melting and sublimation
condensation and vaporization
sublimation and boiling
Answer:
Condensation and vaporization
Explanation:
At a given temperature, molecules of a liquid move into the gas phase (vaporization) and the molecules of the vapour can move back into the liquid phase (condensation).
Answer:
condensation and vaporization
2CI-
CI2
Mg
Mg2+
CH4 compound is formed by sharing of electrons with hydrogen atom. They are bonded by ionic bonds. They undergo sp^3 hybridization.
Explanation:
The group 4A elements have 4 electrons in their valence shell or highest energy orbitals ie 2s^2, 2p^2
They share electrons from other elements thereby stabilising their valence shell and form bonds between them. The bonds can be covalent or ionic. It undergoes sp^3 hybridization.
The four valence electrons of the carbon atom are distributed equally in the hybrid orbitals, and each electron of carbon pairs with an electron of hydrogen atom when the C–H bonds form.
Answer:
B. Gravity on E2020