Which statement about the atomic nucleus is correct?A. The nucleus is made of protons and has a negative charge. B.The nucleus is made of protons and neutrons and has a negative charge. C.The nucleus is made of electrons and has a negative charge. D.The nucleus is made of protons and neutrons and has a positive charge.
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Chemistry, 22.06.2019 10:50
How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.
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Chemistry, 23.06.2019 14:30
Recognizing the properties of water water has a "bent" geometry. which explanation does not explain why? o water's oxygen has unbonded electron pairs that repel each other. water can form hydrogen bonds. electrons are evenly distributed in the water molecule. do ne
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Chemistry, 23.06.2019 18:30
You form water vapor by mixing oxygen and hydrogen at 730°c in a 5.4-liter container. this is the equation for the reaction: o2(g) + 2h2(g) → 2h2o(g). the partial pressure of oxygen before the reaction is 122.3 kilopascals, and there is excess hydrogen. how many moles of water are formed?
Answers: 3
Chemistry, 23.06.2019 19:00
Why do elements in groups share more chemical properties than elements in a period?
Answers: 3
Which statement about the atomic nucleus is correct?A. The nucleus is made of protons and has a nega...
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