Find the position vector of A if it is 8 units away from the origin at a bearing of 120°

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

The total amount of energy contained in an object