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Whats the difference between an ionic bond and a covalent bond?

In an ionic bond, the bond is due to electrostatic attraction between the two ions. In a covalent bond the bond is formed due to the sharing of electrons between the bonding atoms.
NP
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To what extent is Odysseus a good leader?

You can argue that Odysseus is selfish in Homer's 'Odyssey' due to a myriad of different reasons. For example, he makes his crew plug their ears with wax in Book 12 so they cannot hear the tempting sounds of...
IN
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Explore the purposes of the frame narrative technique in Mary Shelley's Frankenstein.

One purpose of the frame narrative, or 'story within a story', employed by Mary Shelley in Frankenstein is to mirror the examination of the dark internalised consciousness. The outer layer of the frame narra...
EL
Answered by Emmott L. • English tutor
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Give two features of polar orbits. Suggest the use of a satellite in a polar orbit.

-They have a period of 24 hours -They lie above the equator A satellite in a polar orbit could be used for various things such as weather forecasting, GPS, to provide network services such as internet and mo...
ZM
Answered by Zahra M. • Physics tutor
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I struggle with exam timing and as a result I always run out of time before finishing the paper. How can avoid this in the future?

This is a fairly common problem across many A level subjects but in my experience particularly amongst those taking biology papers. Whilst there are several strategies to counteract this, such as prioritisin...
RC
Answered by Rory C. • Biology tutor
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