Describe the arrangement of protons, neutrons and electrons in an atom of Neon (Atomic No. 10, Atomic Weight 20.18). You may use diagrams to aid you.

A fully-marked answer would contain each of these points, or clear diagram equivalent
10 protons10 neutrons10 electrons, arranged with 2 in the inner 's' shell and 8 in the 'p' shell

ZL

Related Chemistry A Level answers

All answers ▸

For the formation of phenylethanone from benzene: Name and explain the mechanism, write an overall equation and write an equation for the formation of the electrophile.


Given is a following reaction at equilibrium: N2(g) + 3H2(g) ⇄ 2NH3(g), ΔH < 0. What will be the effect of changing the following conditions on the system? 1. Increasing pressure. 2. Decreasing temperature. 3. Adding a catalyst. 4. Adding HCl(g).


The ratio between the molar mass of an alkene(A) and an alkyne(B) with the same number of carbon atoms is 1.05. Find the molecular formulas of the two hydrocarbons then write the reaction for how we can obtain the alkene A from the alkyne B.


The lattice enthalpies of calcium oxide and magnesium oxide are different. Comment on this difference.