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Chemistry
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What is a covalent bond?

A covalent bond in an intramolecular bond which occurs when a pair of electrons is shared between two elements, usually two non-metals. The electrons shared are in the outer shell of the atom of each elem...

Answered by Rebecca P. Chemistry tutor
3344 Views

Use the structure of sodium chloride to explain why it has a high melting point. (2 marks)

There are strong electrostatic forces of attraction between oppositely charged ions within sodium chlorides giant lattice. The strong electrostatic forces must be broken in order ...

Answered by Evie C. Chemistry tutor
7002 Views

The pH of pure water can vary depending on the temperature it is held at. Does that mean pure water can be acidic or alkaline?

Interestingly, pure water will always be neutral, regardless of pH. To understand why, we have to properly look at what pH means. pH is a measure of the number of free H+ ions in a solution or liquid. The...

Answered by Sebastian N. Chemistry tutor
10719 Views

Draw a dot and cross diagram to show the bond present in Sodium Chloride (NaCl). State what type of bonding this is and the type of structure this compound forms.

[draw diagram on the whiteboard]Atoms are most stable when they have the maximum amount of electrons in their outer shell (usually 8)Na is a metal in Group I of the periodic table so it has 1 electron in ...

Answered by Philip B. Chemistry tutor
6871 Views

What does a reaction between acid and base give?

Acid + Base = Salt + Water

Answered by Sophia P. Chemistry tutor
1906 Views

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