Chemistry, 12.10.2021 08:00 brookeguilford
I am a chemical element. I have 3 isotopes. I have the following proportion: 5 poir
56% for X(35); 14% for X-37; 10% for X-32 and 20% for X-38. My atomic
mass is
O 15.98
198
32.38
O 35.58
Answers: 3
Chemistry, 21.06.2019 22:30
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
Answers: 2
Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2β’2h2o sncl2β’4h2o sncl2β’6h2o
Answers: 2
Chemistry, 22.06.2019 21:00
Read "who built the pyramids? β. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.
Answers: 1
Chemistry, 22.06.2019 23:10
Using the periodic table, complete the following. element: hydrogen symbol: hβ molecular weight: g mass of one mole: g/mol
Answers: 3
I am a chemical element. I have 3 isotopes. I have the following proportion: 5 poir
56% for X(35);...
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