Chemistry, 30.06.2019 21:00 dyamondgeorge1oy4nex
Plz ! i will give brainliest! which of the following is true about an atom of iron and an atom of copper? a. they have different masses. b. both have the same properties. c. they have an equal number of protons. d. both have different types of sub-atomic particles.
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Chemistry, 21.06.2019 13:00
Asolution at 25 degrees celsius is 1.0 × 10–5 m h3o+. what is the concentration of oh– in this solution?
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Chemistry, 22.06.2019 10:50
An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Chemistry, 22.06.2019 21:30
Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
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Chemistry, 22.06.2019 22:30
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
Plz ! i will give brainliest! which of the following is true about an atom of iron and an atom of c...
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