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Chemistry > Atomic Structure > Flashcards

Atomic Structure Flashcards

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1
Q

What does the mass number contain?

A

Protons and neutrons

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2
Q

What does the atomic number contain?

A

Number of protons in the nucleus

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3
Q

What is the number of electrons equal too?

A

The number of protons

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4
Q

What is an isotope?

A

Versions of elements which have same number of protons but different number of neutrons

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5
Q

What is an element?

A

One type of atom

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6
Q

What is an atom?

A

Smallest particle of an element

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7
Q

What is a compound?

A

Two or more different types of atoms chemically bonded together

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8
Q

What is a mixture?

A

Two or more substances not chemically bonded

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9
Q

What is a pure substance?

A

One type of atom with nothing else mixed in

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10
Q

What is a pure substance?

A

One type of atom with nothing else mixed in

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11
Q

What is another name for group 1?

A

Alkali metals

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12
Q

What is another name for group 7?

A

Halogens

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13
Q

What is another name for group 0?

A

Noble gases

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14
Q

What would number one be on Ph scale

A

Acid

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15
Q

What would 14 be on the Ph scale?

A

Alkali

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16
Q

What are properties of transition metals?

A

Hard, dense, can conduct electricity as liquid or solid, lustrous when freshly cut, high melting point, forms coloured compounds

17
Q

Why can’t noble gases form compounds?

A

Stable full outer shell

18
Q

What is an ion?

A

A charged particle

19
Q

What do oppositely charged ions do?

A

Attract

20
Q

How do you calculate RF value?

A

Distance moved by solute
____________________________
Distance moved by solvent

Chemistry (5 decks)

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