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Potassium forms an ionic compound with sulfur. Describe what happens when two atoms of potassium react with one atom of sulfur. Give your answer in terms of electron transfer.

Electrons are transferred from potassium to sulfur. 2 potassium atoms each lose one electron forming K+ / 1+ ionsSulfur atoms gain 2 electrons forming S2- / 2- ions. This results in the ionic formula K

Answered by Mariam B. • Chemistry tutor

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A(0,2) and B(6,5) are two points on the straight line ABCD. If AB=BC=CD find the coordinates of the point D

If AB=BC=CD then the difference between each of the points is the same. If we look at the difference between A and B we can see that B is 6 further to the right, and 3 further up. So if we then add (6,3) ...

Answered by Rebekah V. • Maths tutor

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How do I approach an unseen poem in an exam?

An exam question asking your thoughts on an unseen poetry is assessing your ability to understand the key message and techniques of a written piece of work. The important thing to remember with this sort ...

Answered by Hannah W. • English Literature tutor

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What is Agnosticism?

The belief, that one cannot know if (a) God exists.

Answered by Lara B. • Philosophy and Ethics tutor

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Describe the bonding between sodium and chlorine in NaCl

Sodium donates its outer shell (valence) electron to chlorine, so that both have a full outer shell. Sodium and chlorine are then held together by electrostatic forces of attraction between the positively...

Answered by Sarah B. • Chemistry tutor

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