Chemistry, 21.09.2020 06:01 artiomtyler007
An atom has a diameter of 3.00 Å and the nucleus of that atom has a diameter of 8.50×10−5 Å . Determine the fraction of the volume of the atom that is taken up by the nucleus. Assume the atom and the nucleus are a sphere. fraction of atomic volume: Calculate the density of a proton, given that the mass of a proton is 1.0073 amu and the diameter of a proton is 1.72×10−15 m .
Answers: 1
Chemistry, 21.06.2019 19:00
Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.
Answers: 1
Chemistry, 21.06.2019 20:00
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
Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
Answers: 2
Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
An atom has a diameter of 3.00 Å and the nucleus of that atom has a diameter of 8.50×10−5 Å . Determ...
Biology, 09.06.2021 16:50
Mathematics, 09.06.2021 16:50
Mathematics, 09.06.2021 16:50
Mathematics, 09.06.2021 16:50
History, 09.06.2021 16:50
Mathematics, 09.06.2021 16:50
Mathematics, 09.06.2021 16:50
Biology, 09.06.2021 16:50
English, 09.06.2021 16:50
Physics, 09.06.2021 16:50