Aluminum atoms have 13 protons in the nucleus and 22 electrons outside the nucleus. Helium atoms have two protons in the nucleus and two electrons outside the nucleus. The majority of the mass of a nitrogen atom is due to its seven electrons. Most of the volume of hydrogen atoms is due to the nucleus
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What’s the scientific notation for the number 6,840,000,000
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1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /
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Chemistry, 22.06.2019 06:40
Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?
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Chemistry, 22.06.2019 07:20
Which of these conditions most likely produces an unstable isotope?
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Aluminum atoms have 13 protons in the nucleus and 22 electrons outside the nucleus. Helium atoms hav...
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