Top answers

Describe how elements of the periodic table are arranged relating to their atomic structure. (6 marks)

Elements in the periodic table are arranged by increasing atomic number (number of protons). Atomic number of elements steadily increases across a period (horizontal rows of the periodic table). Elements in ...
JG
Answered by Jake G. • Chemistry tutor
24353 Views

Explain three differences between particles in a solid state and particles in a gaseous state.

Particles in a solid state are packed very close together whereas in a gaseous state they are very far apart.Particles in a solid state have a regular, structured pattern whereas gaseous particles are random...
FL
Answered by Frankie L. • Chemistry tutor
2537 Views

Explain how changing pressure affects equilibrium?

If you increase the pressure the equilibrium tries to reduce it and moves to the direction of fewer gas molecules. If you decrease the pressure, the equilibrium moves to increase it and moves where there are...
SA
Answered by Samiul A. • Chemistry tutor
2563 Views

Explain why giant ionic lattices can conduct electricity when molten or in solution rather than as a solid.

In the solid phase the ionic lattice has no mobile ions as all the ions are fixed in place. However when dissolved in a solution or in the molten phase, the ionic lattice breaks down allowing the ions to mov...
AS
Answered by Aisha S. • Chemistry tutor
16119 Views

How do you know whether a compound is ionic or covalent and how can you find the conductivity rate for both heat and electricity?

As a general rule metals bind to non-metals ionically, and non-metals to non-metals bind covalently. For example NH3 is covalent, vs NaCl is ionic. Conductivity rates for electricity are in general dependent...
RS
Answered by Roshan S. • Chemistry tutor
3055 Views