Examlex
The composition of the giant planets is consistent with solar abundance,but not with the composition of the universe as a whole.
Compound
A substance formed from two or more elements chemically united in fixed proportions.
Amides
Organic compounds characterized by a carbonyl group attached to a nitrogen atom.
O-Bromobenzoyl Chloride
An organic compound used in the synthesis of other chemical compounds, characterized by a bromine atom attached to the benzoyl chloride group.
Boiling Point
The temperature at which a substance changes from a liquid to a gas at atmospheric pressure.
Q9: What is the difference between brightness and
Q10: In a period of three months,a planet
Q21: The main greenhouse gases in the atmosphere
Q31: Ring material:<br>A) is made mostly of fine
Q33: If you monitor Jupiter's atmosphere and you
Q35: Photons have no mass,and Einstein's theory of
Q39: Why does the luminosity of a high-mass
Q40: If you found a galaxy with a
Q49: Which of the following lists distance indicators
Q63: If you measured the distances and recessional