Chemistry, 22.08.2019 13:30 khikhi1705
Dalton hypothesized that atoms are indivisible and that all atoms of an element are identical. it is now known that
a. all of dalton's hypotheses are correct
b. atoms of an element can have different numbers of protons
c. atoms are divisible
d. all atoms of an element are not identical but they must all have the same mass
Answers: 2
Chemistry, 22.06.2019 14:30
Connect the whole numbers on the periodic table to indicate what they represent?
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Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
Dalton hypothesized that atoms are indivisible and that all atoms of an element are identical. it is...
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