Chemistry, 10.12.2021 14:10 TrystinMarie2344
A/ Hợp chất A gồm 2 nguyên tố là X (hóa trị III) và oxi. Em hãy
a1/ Viết công thức chung của A
a2/ Xác định công thức hóa học của A, biết 0,1 mol A có khối lượng 16 g.
Answers: 3
Chemistry, 22.06.2019 03:30
If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.
Answers: 1
Chemistry, 22.06.2019 10:00
Why is the structure of molecule important to its function?
Answers: 1
Chemistry, 22.06.2019 12:30
According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.
Answers: 2
A/ Hợp chất A gồm 2 nguyên tố là X (hóa trị III) và oxi. Em hãy
a1/ Viết công thức chung của A
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