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Draw the electronic structure of Sodium Chloride and explain how an ionic bond affects the melting and boiling point.

Ionic bonds are very strong, with elements involved in a compound having a full outer shell of electrons due to donating and accepting electrons, allowing them to be in a very stable state. In this case, Sod...
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Answered by Hans D. • Chemistry tutor
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Describe why organisms may become extinct due to a change in the climate

Species like polar bears might go extinct if, for example, sea level rise drastically decreases the size of their territory meaning they have less area to roam, hunt and mate in so they cannot reproduce fast...
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Answered by Lucy E A. • Biology tutor
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What is 90 million in standard form?

1 million = 1,000,00090 million = 90,000,000Place your decimal place after the 9 as standard form only has numbers 1-10 as the first number, otherwise it means this number can be divided by or multiplied 10....
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Answered by Abbie Y. • Maths tutor
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Write 32 X 8^(2x) as a power of 2 in terms of x.

Rules of indices question.32 X 8 2x 32 X (8 2 ) x 32 X (8x8) x 32 X 64 x 32 = 2 5 . and 64 = 2 6 2 5 X (2 6 ) x 2 5 X 2 6x (RULE: x a X x b = x a+b )Answer = 2 (6x + 5)
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Answered by Abbie Y. • Maths tutor
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Qu'est ce que vous pensez du mariage homosexuelle?

Le mariage gay est un theme tres important dans la societe actuelle avec de plus en plus pays acceptant ce type de mariage. Mais, il reste existe des personnes qui sont contre ceci et ils veulent qu'il ne so...
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Answered by Hugh K. • French tutor
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