In an investigation with density, Marcia’s teacher measures the mass and volume of 10 different samples of a substance. The samp
les are numbered 1 through 10. Then, the teacher makes the graph that is shown below. What is the independent variable in this investigation? mass volume sample number substance density
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The cyanide is 
A carbon atom has 4 valance electrons and nitrogen has 5. Below is a Lewis-dot-structure of cyanide.
:N≡C.
The carbon atom is still one electron short of having a full octet and so it will seize another electron from almost anything, making the cyanide ion negative and whatever it took the electron from it now positive.
A carbon atom has 4 valance electrons and nitrogen has 5. Below is a Lewis-dot-structure of cyanide.
:N≡C.
The carbon atom is still one electron short of having a full octet and so it will seize another electron from almost anything, making the cyanide ion negative and whatever it took the electron from it now positive.