21-30 Flashcards

1
Q

formed when one or more electrons are transferred from one atom to another

A

Ionic Bond

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2
Q

forms when electrons are shared between atoms.

A

Covalent Bond

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3
Q

​the electrons in the outer shell or energy level that are available for bonding.

A

Valence Electrons

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4
Q

​the measure of acidity or alkalinity of a solution.

A

pH

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5
Q

​a substance that dissolves in water to release a hydrogen ion. (H+)

A

Acid

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6
Q

​a substance that dissolves in water to release a hydroxide ion. (OH­)

A

Base

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7
Q

the nucleic acid that contains all genetic information for a cell.

A

Deoxyribonucleic Acid​ (DNA)

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8
Q

​The shape of DNA that resembles a spiral staircase or a twisted ladder.

A

Double Helix

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9
Q

​The ​building block of living organisms that passes genetic information from one generation to the next. (e.g. DNA)

A

Nucleic Acid

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10
Q

a monomer of nucleic acid; consisting of a sugar, phosphate, and a nitrogen base. (e.g. A,T,G,C)

A

Nucleotide​

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