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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 layers....
GB
Answered by Georgia B. • Chemistry tutor
7799 Views

Que penses-tu des problèmes concernant la planète?

Je pense que le réchauffement climatique est un vrai problème pour la Terre. Nous devrions essayer de réduire les émissions de dioxide de carbone en utilisant les transports en commun au lieu de dépendre sur...
PR
Answered by Prune R. • French tutor
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Explain how guard cells are specialised for their specific function

Guard cells open and close the stomata in a leaf. When the plant has lots of water the guard cells fill with it and become plump and turgid. This makes the stomata open so gases can be exchanged for photosyn...
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Answered by Grace K. • Biology tutor
18526 Views

Solve the simultaneous equations 3x + y = 23 and 4x + 4y = 52

3x + y =23, 4x +4y=5212x+4y=92, 12x+12y=1568y=64y=8sub in3x+8=23, 3x=15x=5y=8x=5
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Answered by Samuel B. • Maths tutor
3772 Views

How do I do unseen poetry in an exam?

Approaching unseen poetry that you haven't been able to revise beforehand can seem daunting, but once you have a certain set of skills you'll be able to apply them to any text you come across! With practice,...
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