Calcium and bromine have formed a bond. leading up to this, calcium gave up electrons. it was a(n)
a. negative ion
b. shared ion
c. positive ion
d. neutral atom

The answer is (C) Positive Ion. After the calcium and bromine have formed a bond, the calcium will give up its electrons and will not form any compound formation with the bromine that will leave the calcium to be a positive ion.

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Those are different gas lawshere is a brief description of themcharles's law states that volume and temperature are directly proportional to each other as long as pressure is held constant.  boyle's law asserts that pressure and volume are inversely proportional to each other at fixed temperature.gay-lussac's law introduces a direct proportionality between temperature and pressure as long as it is at a constant volume.    source: