If an element had 90 protons, how many
neutrons would it need in order to be stable?
What is...
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Chemistry, 21.06.2019 22:30
Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?
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Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
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Chemistry, 23.06.2019 05:30
Scientist think that animals with remarkably similar embryo development probably shared a common ancestor
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