1. Mass numbers, and neutron numbers for Na, Al, Fe.
2. orbital notation, electron configuration, and lewis dot structure for Calcium, Arsenic, Fluoride(f1-), and Mg2+.
3. aluminum reacts with sulfuric acid, which is the automobile batteries. if 20.0 grams of Al is placed into a solution containing 115 grams of H2SO4, how many grams of hydrogen gas could be produced?
Answer:
Na has 11 protons, 12 neutrons, and a mass of 23.
One answer per question.
carbon 13 is an external isotope of carbon 12.carbon 12 does share at p orbital similar orbits as the external 13
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