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Chemistry
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Why is the melting temperature of Magnesium higher than that of Sodium?

More energy is required to break the metallic bonds in Magnesium, because: -Magnesium ions have a smaller ionic radius than Sodium ions so Magnesium is more closely packed -Mg2+ ions have a greater charge...

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Answered by Evelyn M. Chemistry tutor
22602 Views

Why are Amines more basic than Amides?

The lone pair of electrons on the amine are more available to accept a proton and act as a base. This is because in amides, the carbonyl (C=O) group is highly electronegative, so has a greater power to dr...

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Answered by Kaylan P. Chemistry tutor
19989 Views

Define Electronegativity

It is the TENDANCY of an atom to attract a PAIR of electrons in a COVALENT bond.

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Answered by Oscar W. Chemistry tutor
2978 Views

What is ionic bonding? Give an example

A bond formed between a metal atom and a non-metal atom in which electrons are transferred from the metal atom to the non-metal atom, forming ions. If an atom loses an electron, it becomes positively char...

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Answered by Safia A. Chemistry tutor
2191 Views

What is the overall charge of the nucleus of an atom, and why?

Positive. The neutrons found in the nucleus have a neutral charge, however the protons are positively charged. Therefore the overall charge is positive.

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Answered by Safia A. Chemistry tutor
36321 Views

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