covalent bonding Flashcards

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1
Q

what happens in covalent bonding?

A

2+ pairs of electrons are shared between atoms

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2
Q

do covalent bonds form polar or non-polar molecules?

A

both

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3
Q

generally, how many bonds will an atom form?

A

the same amount as electrons on its outer shell (its ionic charge)

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4
Q

how many bonds can oxygen form?

A

2

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5
Q

how many bonds can hydrogen form?

A

1

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6
Q

how many bonds can nitrogen form?

A

3

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7
Q

how many bonds can carbon form?

A

4

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8
Q

are covalent bonds stable?

A

yes

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9
Q

why are covalent bonds stable?

A

a lot of energy is needed to break the bonds

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10
Q

when does covalent bonding occur?

A

when 2+ monomers outer orbitals (shells) are close enough to share electrons

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11
Q

name 5 molecules where covalent bonding is present

A

the organic molecules so:
1. water
2. nucleic acids
3. proteins
4. lipids
5. carbohydrates

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