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science > Chemistry > Flashcards

Chemistry Flashcards

1
Q

What is the 6th element to the periodic table?

A

Carbon

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2
Q

What is the 3rd element to the periodic table?

A

Lithium

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3
Q

What is the symbol to the element Beryllium

A

Be

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4
Q

What is the symbol to the element Nitrogen

A

N

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5
Q

How many Neutrons are in Hydrogen?

A

1

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6
Q

How many electrons are in Flourine?

A

9

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7
Q

How do you work out the number of neutrons in an element?

A

Atomic mass (rounded)- Atomic number=Neutrons

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8
Q

What is the configuration for Phosphorus?

A

2,8,4

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9
Q

What is the number of circles on each shell on a Bhor Model?

A

First shell=2
Second shell=8
Third shell=8

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10
Q

What is an Element?

A

1 type of Atom

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11
Q

What is an atom?

A

The smallest particle of a chemical element which can exist

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12
Q

What is a compound?

A

It is made up of 2 or more different atoms joined by a chemical bond

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13
Q

What is a molecule?

A

It is 2 or more atoms joined by a chemical bond?

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14
Q

What is a mixture?

A

It is made up of atoms, molecules and/or compounds and have no chemical bonds so can be physically separated

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15
Q

What is sustainability?

A

It is the ability of a process to be continued indefinitely without damaging and/or degrading the environment on which it depends

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16
Q

What is an advantage to metal?

A

Strong

17
Q

What is a disadvantage to wood?

A

flammable and could go moldy

18
Q

What is an advantage to glass?

A

rust resistant and moldable

19
Q

What is a disadvantage to ceramic?

A

fragile and can rust

20
Q

What is an example of a molecule?

A

Water molecule

21
Q

What is an example of a mixture?

A

Sand and water

22
Q

What is an example of an element?

A

Lithium

23
Q

What is an example of an atom?

A

Oxeygen atom

24
Q

What is an example of a compound?

A

Water

25
Q

What is neon?

A

An element

26
Q

What is salt?

A

A compound

27
Q

“A compounds atoms have to be different to be a compound” is this true or false?

A

true

28
Q

Silicon is the 14th element to the periodic table? true or false

A

true

29
Q

Lithium is the 4th elment to the periodic table? true or false

A

false it is the 3rd

30
Q

What is the 5th group on the periodic table?

A

pnictogogens

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