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Chemistry Whole NAT5 Course > Nuclear chem > Flashcards

Nuclear chem Flashcards

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1
Q

What is formed when a non metal oxide devolves in water

A

An acid

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2
Q

What is formed when a metal oxide devolves in water

A

An alkali

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3
Q

What metals react with oxygen

A

Copper up

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4
Q

mp/bp covalent network

A

higgh

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5
Q

mp/bp covalent molecule

A

low

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6
Q

why do atoms have zero charge

A

same no electrons as protons

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7
Q

when drawing formula, what is different with HINClBrOF elements

A

they are diatomic- number next to them is 2 ex.H2/O2

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8
Q

how could you collectb a volme of gas

A

ice cream tub ex|

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9
Q

what metals are extracted by heat alone

A

mercury silver gold - mercury down - last 3

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10
Q

what metals can be extracted by heat with carbon

A

zinc iron tin lead copper - zebra ill to learn copper

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11
Q

what metals can be extracted by electrolysis

A

potassium sodium lithium calcium magnesium aluminum - people say little children make a- first 6

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12
Q

what metals react with oxygen

A

copper up

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13
Q

what metals react with acid

A

lead up

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14
Q

what metals react with water

A

magnesium up

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15
Q

haber process equation

A

N2+3H2=2NH3

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16
Q

Example of alloys

A

steel= iron+carbon (increased strength)

17
Q

conditions for haber process

A

high pressure
moderate temp-
iron catalyst -speeds up reaction saves energy costs

18
Q

alkanoic acids can react with what to form salt and water

A

bases

19
Q

when a hydrocarbon burns what is produced

A

co2 and water

20
Q

why a dc current

A

going in one direction makes sure only one product bis being produced at each electrode

21
Q

isomer defonition

A

same molecular formula but different structure

22
Q

whole reactivity series in correct order GO!

A

potassium sodium lithium calcium magnesium aluminum zinc iron tin lead copper mercury silver gold

23
Q

do covalent substances dissolve in water?

A

no but in other substances yes

24
Q

what state is ionic substances at room temp

A

solid

25
Q

structure of ionic compounds

A

ionic lattice

26
Q

are ionic substances soluble- what page in data book can be used to determine this?

A

most of them - page 5

27
Q

do covalent substances conduct

A

no

28
Q

are ionic substances soluble

A

yes!!!!!

Chemistry Whole NAT5 Course (2 decks)

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