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Chemistry
GCSE

Please describe an Ionic Bond

The mutual electrostatic attraction between pairs of oppositely charged ions. Usually the metal atom loses electrons to become a positively charged cation where as the non metal atom gains electrons to b...

OM
Answered by Orlando M. Chemistry tutor
2133 Views

What is the first ionisation energy? Write the equation for the first ionisation of Chlorine.

The first ionisation energy is the energy required to remove an electron from a gaseous atom.
The equation for the first ionisation of Chlorine is: Cl (g) --> Cl+ (g) + e-

KB
Answered by Kieran B. Chemistry tutor
19867 Views

What kind of structure and bonding is seen in NaCl, graphite and Mg?

NaCl is an example of a covalent structure, where electrons are shared between the atoms in covalent bonds. Graphite has a giant covalent structure with the covalently bonded carbon atoms arranged in laye...

GB
Answered by Georgia B. Chemistry tutor
6692 Views

In terms of electrons, explain the bonding in sodium chloride

Sodium is on group 1 and has 1 election in its outer shell. Chloride is in group 7 and has 7 electrons in its outer shell.Sodium looses 1 electron and chlorine gains 1 electron giving both atoms a full ou...

Answered by Chemistry tutor
4287 Views

A student places equal masses of limestone rocks into two beakers. However, the student crushes the ones in one of the beakers to make a fine powder. Then, he adds hydrochloric acid to both of them. Which takes longer? Would one of them produce more CO2?

First of all let's think of which one would take longer. The one that would take longer would be the slower of the two reactions, and therefore would have a lower rate of reactio...

YM
Answered by Yago M. Chemistry tutor
2036 Views

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