subject
Chemistry, 30.10.2020 19:20 firefightergros7271

Oxygen and silicon makes up what percentage of the Earth crust. A) 57% B) 98.5% C) 75% D) 50%

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 09:00
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
question
Chemistry, 22.06.2019 12:00
Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
Answers: 1
question
Chemistry, 22.06.2019 22:30
Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation
Answers: 1
question
Chemistry, 23.06.2019 00:00
What atom has the largest atomic radius
Answers: 2
You know the right answer?
Oxygen and silicon makes up what percentage of the Earth crust. A) 57% B) 98.5% C) 75% D) 50%...
Questions
question
Computers and Technology, 12.08.2020 04:01
question
Mathematics, 12.08.2020 04:01
question
Mathematics, 12.08.2020 04:01
question
Mathematics, 12.08.2020 04:01
question
History, 12.08.2020 04:01
Questions on the website: 13722360