Top answers

Chemistry
GCSE

In terms of structure and bonding, explain why graphite is able to conduct electricity.

Carbon is in group 4 of the periodic table therefore has 4 electrons in its outer shell which are available for bonding. Each carbon atom in graphite forms 3 covalent bonds with another carbon atom within...

HK
8977 Views

Why is iodine a solid at room temperature and chlorine a gas, despite being in the same group?

Iodine is further down group 7 than chlorine. Their group number only describes the number of electrons they have in their outer shell. As iodine has a higher atomic number than chlorine, it also has more...

SA
Answered by Stephen A. Chemistry tutor
56181 Views

Balance the following equation: Na + H2O -> NaOH + H2

2Na + 2H2O -> 2NaOH + H2

AL
4563 Views

Sodium and chlorine form an ionic compound. Describe what happens when 1 atom of sodium reacts with 1 atom of chlorine.m

When sodium reacts with chlorine, the sodium atom transfers 1 electron to the chlorine atom, in order to achieve a stable electron configuration resembling a noble gas. The sodium (Na) atom becomes a sodi...

PC
Answered by Patrick C. Chemistry tutor
4634 Views

How does column chromatography work? (A-Level Chemistry)

We use column chromatography to purify an organic product. We begin with a glass column filled with a slurry of absorbent material. This could be aluminium oxide coated w...

NM
Answered by Noa M. Chemistry tutor
2239 Views

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