Top answers

Chemistry
GCSE

In what circumstances can an ionic compound conduct electricity? How?

An ionic compound in its molten or liquid form is able to conduct electricity due to the free movement of conducting metal ions that can carry charge

JK
Answered by Jalini K. Chemistry tutor
2066 Views

What is global dimming and why does it occur?

Global dimming occurs due to light being reflected off the Earth's atmosphere and back into space.Light is reflected off the Earth's atmosphere due to the build up of Soot (C).Soot (C) is a product of inc...

FR
Answered by Fazna R. Chemistry tutor
3793 Views

Explain why graphite conducts electricity in terms of structure and bonding.

Graphite has a giant covalent structure where each carbon atom is covalently bonded to three other carbon atoms. Each carbon atom also has one delocalised electron which can flow freely through the struct...

JB
Answered by Jess B. Chemistry tutor
12377 Views

If 350gNaCl is dissolved in water and made up to a volume of 3dm^3, calculate the concentration of the solution.

Moles= Mass/Mr Mol (NaCl)= 35/(23+35.5)=350/58.5=0.6Concentration= Moles/volumeConc(NaCl)= 0.6/3=0.2mol/dm3

LP
Answered by Lucy P. Chemistry tutor
2199 Views

How do I work out the formula of ionic and covalent compounds?

First, ionic compounds form bonds by transferring electrons from their outer shell. Covalent compounds form bonds by sharing electrons within their outer shell. The number of electrons in the outer shell ...

MB
2374 Views

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