Chemistry, 17.10.2021 02:40, antonjas001
On your graph, the data points between the red squares are data for elements with atomic numbers 3 through 9. Locate these elements on your periodic table. What term or description would you use to identify these elements with respect to the periodic table?
They are all alkali earth metals (family 2) on the periodic table.
They are all in period 2 on the periodic table
They are all nonmetals on the periodic table.
They are all in period 4 on the periodic table
Answers: 1
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Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?
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What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics
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Chemistry, 22.06.2019 07:30, 10040813
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
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On your graph, the data points between the red squares are data for elements with atomic numbers 3 t...
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