If you add them up: 2+2+6 = 10, you will know it's Neon, which is written as Ne
I really don’t know but
Phosphorus pentoxide is a white solid which does not have any distinct odour. The chemical formula of this compound is P4O10. However, it is named after its empirical formula, which is P2O5. The molar mass of phosphorus pentoxide corresponds to 283.9 g/mol.
Answer: C (The first species to populate an uninhabited area)
Explanation:
It would be A, the molecules should be closely packed together but arranged randomly. :)
Answer:
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.