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Card 6
Front
A compound consists of 50% sulphur and 50% oxygen by mass. What is its empirical formula?
Back
Card 7
Front
What is the mass percentage of oxygen in nitric oxide (NO)?
Back
Card 8
Front
What type of radioactive process could be shown in the following (incomplete) equation? 125 53I →125 52Te
Back
Card 9
Front
What is the percentage yield if 6 g lithium chloride is obtained from 20 g lithium hydroxide in the following reaction? LiOH + KCl = LiCl + KOH
Back
Card 10
Front
How many electrons in an atom can have n = 5, l = 3?
Back
Card 11
Front
What is the Aufbau principle?
Back
Card 12
Front
The electron configuration for manganese is:
Back
Card 13
Front
The element with the electron configuration 1s2,2s2,2p6,3s2,3p6,4s2,3d10 is
Back
Card 14
Front
The quantum numbers n = 4, l = 1, ml = 1, s = ½ refer to an electron in which orbital?
Back
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