Chemistry


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About the Chemistry category [Chemistry] (1)
Which statement best explains atomic number? [General Chemistry] (2)
A/an __________ is a negative ion formed by gaining electrons [General Chemistry] (2)
Magnesium has an atomic number of 12. Which of the following statements is true of a neutral magnesium atom? [General Chemistry] (2)
An isotope of sodium (Na) has a mass number of 22. How many neutrons does it have? [General Chemistry] (2)
The transfer of an electron from one atom to another will change [General Chemistry] (2)
A buffer is best defined as a solution that [General Chemistry] (2)
Molecules like water that have opposite partial charges at different ends of the molecule are called [General Chemistry] (2)
Which of these is NOT part of a nucleotide? [Organic Chemistry] (3)
Which of the following forms an ionic solid? [Chemistry] (1)
Which of the following phase changes has a positive value for its entropy change? [Chemistry] (1)
Which type of bonding does Ba form upon solidification? [Chemistry] (1)
Which of the following should have the largest dipole moment? [Chemistry] (1)
What is the volume in mL of a 1.11 carat diamond, given the density of diamond is 3.51 g/mL? (1 carat = 200 mg) [General Chemistry] (2)
Which base is present in RNA but NOT in DNA? [General Chemistry] (3)
A pleated sheet is an example of what type of protein structure? [General Chemistry] (3)
The primary structure of a protein is [General Chemistry] (3)
A biological molecule that contains peptide linkages and performs a specific function is classified as a [General Chemistry] (3)
The process of disrupting the tertiary structure of a protein by destroying hydrogen bonds is called [General Chemistry] (3)
Which is NOT an example of a lipid? [General Chemistry] (3)
Which compound will form hydrogen bonds? [General Chemistry] (3)
Many biological molecules are polymers of simpler organic compounds. The smaller molecules in each type of biomolecule are joined by specific types of bonds. Which class of biomolecules contains glycosidic linkages? [General Chemistry] (3)
To what family of compounds does the substance having the molecular formula C6H5COOH belong? [General Chemistry] (3)
What is the condensed formula for 1-butanol? [General Chemistry] (3)
A sugar is classified as a [General Chemistry] (3)
Enzymes are __________ biological molecules that __________ [General Chemistry] (3)
Which type of compound is NOT a component of nucleotides? [General Chemistry] (3)
The nuclear reaction that produces the Sun’s energy is a(n) __________ reaction [General Chemistry] (3)
Compounds likely to have a fruity, pleasant odor are __________; compounds likely to smell “fishy” are __________ [General Chemistry] (3)
What class of compound is produced from the reaction between a carboxylic acid and ammonia? [General Chemistry] (3)