Dãy chất nào sau đây chỉ gồm các oxit axit: *
A. CO2, CaO, MgO
B. H2O, MgO, SO2
C. CO2...
Chemistry, 19.10.2021 14:30, krystinayagel013
Dãy chất nào sau đây chỉ gồm các oxit axit: *
A. CO2, CaO, MgO
B. H2O, MgO, SO2
C. CO2, P2O5 , N2O5
D. ZnO, Fe2O3, SO3
Answers: 3
Chemistry, 21.06.2019 13:00, kevinhill185
Pauling and lewis questioned the extreme definitions of bonds. they wondered if bonds might be described somewhere in between the two extremes (covalent and ionic). on the basis of experimental data, pauling confirmed that bonds could be ionic, covalent, and for those, in between, exhibit a degree of ionic character. he theorized that the major factor was how strongly the atoms in the bond attracted the electrons. pauling called this factor - the tendency of an atom to attract electrons in a bond.
Answers: 2
Chemistry, 22.06.2019 04:00, breannaasmith1122
Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
Answers: 1
Chemistry, 22.06.2019 10:30, mv603177
Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic
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