Question 15 The diagram below represents one molecule of methane (CH4).
H
H-C-H
|
H
Which of the following is a balanced equation for the synthesis
of methane from carbon and hydrogen?
A C + H → CH4
© C + 2H2 → CH4
B C4 +H → CH4
D C2 + 4H → CH4

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles