Chemistry, 25.03.2021 17:20 maxdmontero
Two forms of boron are naturally occurring, boron-10 and boron-11. What difference exists between a boron atom with a 10 atomic mass units (amu) and a boron atom with 11
atomic mass units (amu)?
amount of neutrons
number of electrons
size of protons and neutrons
size of electrons and electron cloud​
Answers: 2
Chemistry, 21.06.2019 17:30
This is a mixture that has the same composition throughout.
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Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
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Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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Which element is least likely to undergo a chemical reaction
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Two forms of boron are naturally occurring, boron-10 and boron-11. What difference exists between a...
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