81. what element has the electron configuration 1s²2s²2pº3s 3p? ?
a. nitrogen
c. silico...
Chemistry, 16.12.2019 00:31 laurenrubin18
81. what element has the electron configuration 1s²2s²2pº3s 3p? ?
a. nitrogen
c. silicon
b. selenium
d. silver
Answers: 3
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In which block of the periodic table is uranium (u) found? s blockd blockp blockf block
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Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?
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How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it
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