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Which electron configuration represents the electrons of an atom in an excited state?
3-
H-O
1.00 M
more heat energy
2
16
2-2-1
((10.01 u)(19.9) + (11.01 u)(80.1)) / 100
Which bond is most polar?
3-
H-O
1.00 M
more heat energy
2
16
2-2-1
((10.01 u)(19.9) + (11.01 u)(80.1)) / 100
In which group on the Periodic Table would a nonmetallic element belong if atoms of this element tend to gain two electrons to complete their valence shell?
3-
H-O
1.00 M
more heat energy
2
16
2-2-1
((10.01 u)(19.9) + (11.01 u)(80.1)) / 100
Compared to sample 1, sample 2 contains
3-
H-O
1.00 M
more heat energy
2
16
2-2-1
((10.01 u)(19.9) + (11.01 u)(80.1)) / 100
Based on Table F, which equation represents a saturated solution having the lowest concentration of Cl- ions?
3-
H-O
1.00 M
more heat energy
2
16
2-2-1
((10.01 u)(19.9) + (11.01 u)(80.1)) / 100
An ion that consists of 7 protons, 9 neutrons, and 10 electrons has a net charge of
3-
H-O
1.00 M
more heat energy
2
16
2-2-1
((10.01 u)(19.9) + (11.01 u)(80.1)) / 100
What is the molarity of a solution that contains 0.500 mole of KNO3 dissolved in 0.500-liter of solution?
3-
H-O
1.00 M
more heat energy
2
16
2-2-1
((10.01 u)(19.9) + (11.01 u)(80.1)) / 100
Which numerical setup can be used to determine the atomic mass of the element boron?
3-
H-O
1.00 M
more heat energy
2
16
2-2-1
((10.01 u)(19.9) + (11.01 u)(80.1)) / 100
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