Fill in the black 1. Negative ions form when atoms valence electrons.
2. In the formation of an ionic compound, a metal atom is most likely to
valence electrons.
3. Ionic compounds form because charges attract

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Why does asexual reproduction result in offspring with identicle genetic variation

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ