PLEASE HELP ME NEED TO TURN IT IN TONIGHT

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.

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.

If a star is moving toward earth, it is