The atomic symbols of nitrogen and oxygen are N and O, respectively. The chemical formula of a particular substance is NO2.
Which of the following is a correct description of the substance?
A. an element made up of 2 nitrogen atoms and 2 oxygen atoms
B. a compound made up of 1 nitrogen atom and 2 oxygen atoms
C. an element made up of 1 nitrogen atom and 1 oxygen atom
D. a compound made up of 2 nitrogen atoms and 2 oxygen atoms
Reset
Submit
Answers: 1
Chemistry, 22.06.2019 06:30
Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
Answers: 1
Chemistry, 22.06.2019 21:30
Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
Answers: 1
Chemistry, 23.06.2019 11:30
Distilled water is a completely neutral solution. what is its ph? a. 1 b. 7 c. 14 d. 0
Answers: 2
The atomic symbols of nitrogen and oxygen are N and O, respectively. The chemical formula of a parti...
Mathematics, 27.01.2021 18:20
Mathematics, 27.01.2021 18:20
History, 27.01.2021 18:20
Mathematics, 27.01.2021 18:20
Mathematics, 27.01.2021 18:20
German, 27.01.2021 18:20
Mathematics, 27.01.2021 18:20
History, 27.01.2021 18:20
Social Studies, 27.01.2021 18:20
Mathematics, 27.01.2021 18:20