How many electrons does ground-state Kr have with both n = 3 and l =
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How many electrons does a neurtral fluorine atom contain?
How many electrons does ground-state Kr have with both n = 3 and l =
How many valence(outer shell)electrons are present in the atoms of the element with atomic number51(about Chemistry)
关于配位体化合物的问题How many unpaired electrons are there in the hexabromomanganate(III) anion?在[Br6Mn]-3里有多少个未成对电子?a.1b.3c.5d.2e.4Mn失去的3个电子是和Br形成配位键了么?
问一道AP化学题The differentiating electrons for transition elements are A.d electrons B.s electrons C.p electrons D.f electrons E.valence electronsdifferentiating electrons是什么东西?随便拿个元素给我举个例子解释一下,
1.How many electrons have removed from a positively charged pith-ball electroscope if it has a charge of 7.5×10^-11C?2.What is the charge in coulombs on an object that has(1)An excess of 6.25×10^19 electrons?(2)An deficiency of 1.0×10^8 electr
英语懂的 来拿分 11.How many neutrons and pro tons are in an atom of phosphorus11.How many neutrons and pro tons are in an atom of phosphorus-31,atomic number 15,and determine how many electrons should be in the first,second,third,and fourth en
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