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What is the difference between an Atom and an Ion?

An atom has the same number of protons and electrons so an atom has no overall electric charge. If an atom loses or gains electrons it becomes an ion. An ion is either positive or negative because it has an ...
PW
Answered by Phoebe W. • Chemistry tutor
18395 Views

How to go about choosing which Medical Schools to apply to?

Choosing the medical schools to apply to is a difficult challenge posing many dilemmas. Having been through the process myself, I have developed a series of simple questions that can help this decision makin...
JL
3708 Views

To what extent is freedom to raise unlimited campaign funds justified by the first amendment?

The first amendment dictates that Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the rig...
RI
4001 Views

How do you find the equation of a tangent to a curve at a particular point?

Imagine being given the equation y=x 3 -2x+3, and being asked to find the tangent to the curve at the point where x=1. The tangent to the curve will be a straight line, and therefore will take the form y=mx+...
JD
Answered by Jonathan D. • Maths tutor
68769 Views

Comment on this section of text (Aeneid XII lines 742-765). How is Turnus portrayed, particularly in light of his imminent final battle?

The change of scene indicated by ‘ergo’ marks not only a shift in action as Turnus flees from Aeneas upon the shattering of his sword, but a significant shift from boldness to panic (‘amens’). The particular...
CM
Answered by Callum M. • Latin tutor
7714 Views