Chemistry, 31.10.2019 22:31 hannahdrumsey
In the periodic table, what is the relationship between two elements that are placed side-by-side in a row?
a.
the element on the left has one more electron.
b.
the element on the left has one more proton.
c.
the element on the right has one more neutron.
d.
the element on the right has one more proton.
Answers: 3
Chemistry, 21.06.2019 15:30
In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature
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Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 13:30
The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
Answers: 1
In the periodic table, what is the relationship between two elements that are placed side-by-side in...
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