Chemistry, 28.06.2019 17:00 pnicklin00
The atomic number of an element is 29. what is the electron configuration of this element? a) 1s2,2s2,2p6,3s2,3p6,3d9,4s2 b) 1s2,2s2,2p6,3s2,3p6,4s1,4d10 c) 1s2,2s2,2p6,3s2,3p6,4s1,3d10 d) 1s2,2s2,2p6,3s2,3p6,4s1,3d9, 4p^1
Answers: 1
Chemistry, 21.06.2019 20:00, Britny2386
2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4
Answers: 1
Chemistry, 21.06.2019 21:00, bakoeboo
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 03:30, electrofy456
What diagram shows the ionic compound of magnesium oxide
Answers: 2
The atomic number of an element is 29. what is the electron configuration of this element? a) 1s2...
Mathematics, 23.03.2022 19:40
Mathematics, 23.03.2022 19:40
Mathematics, 23.03.2022 19:50
Mathematics, 23.03.2022 19:50
Mathematics, 23.03.2022 20:10