Help on 4 and 5 please
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Answers: 1
Chemistry, 22.06.2019 08:30, melikefood01
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 23:10, RealStephani
Match the formula for the following compound: magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(s o4)2·7h2omgso4·7h2o
Answers: 1
Chemistry, 23.06.2019 00:50, lakhanir2013
The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
Answers: 3
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