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biology > chemical bonding > Flashcards

chemical bonding Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

molecule

A

two or more joined atoms of the same or different elements.
ex: oxygen, methane, water

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2
Q

ionic bond

A

when an atom loses or gains electrons, it becomes electrically charged

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3
Q

what are the 3 bonds?

A

covalent, ionic, hydrogen

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4
Q

which out of the 3 bonds is the strongest?

A

covalent bond

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5
Q

which is the weakest out of the 3 bonds?

A

hydrogen bond

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6
Q

charged atoms are called…

A

ions

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7
Q

positive charged ions are called…

A

cations

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8
Q

negative charged ions are called…

A

anions

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9
Q

what is the name of the anion PO4^3-

A

phosphate ion

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10
Q

what is the name of the cation Na+

A

sodium ion

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11
Q

what is the name of the cation K+

A

potassium ion

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12
Q

what is the name of the cation Ca2+

A

calcium ion

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13
Q

what is the name of the cation H+

A

hydrogen ion (know as proton)

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14
Q

what is the name of the cation Mg2+

A

magnesium ion (two positives)

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15
Q

what is the name of the anion Cl-

A

chloride ion

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16
Q

what is the name of the anion HCO3-

A

bicarbonate ion

17
Q

what is the name of the anion SO4^2-

A

sulfate ion

18
Q

single covalent bond

A

H - H
sharing one of their electrons

19
Q

double convolent bond

A

_____
H _____ H

sharing two of their electrons

20
Q

triple covalent bond

A

_____
N _____ N
_____

sharing 3 of their electrons

21
Q

CO

A

Carbon monoxide

22
Q

HCLl

A

hydrogen chloride

23
Q

hydrogen bond

A
24
Q

how many electrons in the first electron shell?

A

2

25
Q

how many electrons in the second electron shell?

A

up to 8

26
Q

how many electrons in the third electron shell?

A

up to 8

27
Q

helium, neon, argon have open or no vacancy?

A

NO VACCANCY

28
Q

hydrogen, lithium, sodium lose or gain 1 electron

A

lose 1 electron

29
Q

beryllium and magnesium lose or gain 2 electrons

A

lose 2 electrons

30
Q

how do covalent bonds work on the periodic table?

A

starting from the 14 row (carbon) it has 4 covalent bonds, one over to the right has 3, one and so on.

biology (5 decks)

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