Chemistry, 21.10.2019 22:30 powella033
Donald is making a model of a nitrogen atom. the box for nitrogen in the periodic table is shown. to represent a neutral atom, which of these must donald include in his model?
a) exactly 4 electrons
b) exactly 7 electrons
c) exactly 10 electrons
d) exactly 14 electrons
Answers: 1
Chemistry, 22.06.2019 12:00, zamariahyou
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
Chemistry, 22.06.2019 21:00, cxttiemsp021
The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
Answers: 1
Chemistry, 22.06.2019 22:30, darkshaders11
Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?
Answers: 1
Donald is making a model of a nitrogen atom. the box for nitrogen in the periodic table is shown. to...
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