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z-chemistry > chemical bonding > Flashcards

chemical bonding Flashcards

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1
Q

what is a noble gas

A

it has a noble gas configuration which makes them stable

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2
Q

what is bonding

A

where atoms react and chemically bond with one another

so that it achieves stability by attaining the noble gas configuration

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3
Q

how does atoms bond

A

by transferring electrons in ionic bonding

by sharing of electrons in covalent bonding

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4
Q

how does atoms bond in ionic bonding

A

between metals and non-metals

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5
Q

when atoms bond in ionic bonding, it exits as…

A

ions

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6
Q

how does atoms bond in covalent bonding

A

between non-metals and non-metals

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7
Q

when atoms bond in covalent bonding, it exits as…

A

molecules

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8
Q

when naming the ionic compound,

is it metal first before non-metals or non-metals first before metal

A

metal first before non-metals

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9
Q

common ions formula of nitrate ion

A

NO3-

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10
Q

common ions formula of ammonium ion

A

NH₄⁺

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11
Q

common ions formula of carbonate ion

A

CO3-2

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12
Q

common ions formula of hydroxide ion

A

OH−

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13
Q

common ions formula of sulfate ion

A

SO₄²-

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14
Q

describe how an atom can achieve a noble gas configuration

A

by transferring an electron from… or by sharing

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15
Q

describe how a fluorine atom forms a fluoride ion

A

the atom gains … electron to form fluorine atom

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16
Q

what is the structure of ionic compound

A

crystal lattice structure

17
Q

what is the structure of covalent compound

A

simple molecular structure

18
Q

describe the melting and boiling point of ionic compound

A

high mp/ bp

needed in a large amt of energy to overcome strong electrostatic FOA between charged ions

19
Q

describe the melting and boiling point of covalent compound

A

low mp/ bp

require in a small amt of energy to overcome weak intermolecular force between molecules

20
Q

describe the electricity conductivity in ionic covalent

A

cant conduct electricity in the solid state as it has no mobile ions
can conduct electricity in molten state because have mobile ions

21
Q

describe the electricity conductivity in covalent covalent

A

cant conduct electricity in all states as it has no mobile electrons

22
Q

describe the solubility in ionic compound

A

can in water

cant in organic solvent

23
Q

describe the solubility in covalent compound

A

cant in water

can in organic solvent

24
Q

what are cations

A

metals from positively charged ions

25
Q

what are anions

A

non-metals from negatively charged ions

26
Q

what are the 5 properties in ionic and covalent compound

A 
exist as... 
melting and boiling point
electrical conductivity 
volatility 
solubility in water

z-chemistry (15 decks)

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