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A&P 1 > Atoms,Compounds, etc > Flashcards

Atoms,Compounds, etc Flashcards

1
Q

What is an atom?

A

The basis for molecules and compounds

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2
Q

What is the atomic number?

A

The number of protons in an atom.

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3
Q

What is mass number?

A

Protons plus neutrons.

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4
Q

What is a covalent bond?

A

A bond formed what atoms share electrons

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5
Q

What is a ionic bond?

A

A bond formed when atoms gain or lose elections becoming electrically charged.

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6
Q

H2O is what kind of bond?

A

Polar covalent bond

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7
Q

What is a isotope?

A

2 or more forms of an element that contain equal numbers of protons but different numbers of neutrons

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8
Q

What is the octet rule of atoms?

A

That an atom needs 8 electrons in the outer shell to be stable.

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9
Q

Whats the difference between polar and non polar bonds?

A

Polar is the non equal sharing of electrons while non polar is the equal sharing of electrons.

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10
Q

What is a cation?

A

A positively charged ion.

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11
Q

What is a anion?

A

A negatively charged ion.

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12
Q

What is a free radical?

A

electrically charged atom or group of atoms with an unpaired electron in its outer shell.

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13
Q

What is a antioxidant?

A

Substances that inactivate oxygen-derived free radicals.

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14
Q

What is a organic compound?

A

Contain carbon,covalent bond,functional groups.

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15
Q

What is a inorganic compound?

A

Lacks carbon,ionic bond.

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16
Q

What are the 4 organic compounds?

A

Carbohydrates,lipids,proteins,nucleic acids.

17
Q

Amt of energy required to start a reaction is

A

Activation Energy

18
Q

What is an enzyme

A

Enzymes promote chemical reactions by lowering the activation energy needed.

19
Q

What is a catalysts

A

Compounds that speed up chemical reactions

20
Q

Kineases catalyze what

A

Phosphorylation reaction

21
Q

Phosphatses

A

Enzymes that hydrolyze the bond between the phosphate group and the amino acid

22
Q

Hydroxylases

A

Catalyze the addition of hydroxyl group to an organic compound

23
Q

Decarboxylases

A

Enzymes that remove a co2 group from the carboxyl group of an organic compound

24
Q

Dehydrogenases

A

Enzymes that catalyze the xfer of hydrogen/electrons from a donor to acceptor

25
Q

Oxidases

A

Catalyzes an oxidation-reduction involving molecular oxygen

A&P 1 (1 decks)

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