Hydrogen is often replaced in drugs with a fluorine atom for a variety of reasons. What term is used to describe the fluorine atom whien it is used to replace hydrogen.
a. Isotope
b. Isostere
c. Isomer
d. Isobar
Answer: B
Chemistry
- Which of the following objects, all moving at the same speed, will have the highest de Broglies wavelength?
- Which of the following is a correct formation reaction?
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- Indicate the gas with the greatest density at 2.3 atm pressure and 22C degrees.
- Which of the following substances is a strong acid?
- Which of the following is a weak base?
- Which of the following is a redox reaction?
- Which of the following will produce a precipitate?
- Which of the following is not ionic?
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- Which of the following is a main group metal?
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- An element with the atomic number twelve
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- The process of adding a known amount of solution of known concentration to determine the concentration of another solution is called
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- Which of these solutions is the most basic
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- What is the charge on the hydronium ion
- Which of the following represents a Bronsted-Lowry conjugate acid-base pair