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Science > Atomic Structure > Flashcards

Atomic Structure Flashcards

1
Q

Which sub - atomic particles have the smallest mass

A

Electrons have the smallest mass

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2
Q

What charge do protons have

A

Protons are positively charged

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3
Q

What is the mass of a neutron

A

Neutrons have a mass of 1 AMU

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4
Q

What is the state of a neutron

A

Neutrons are stable

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5
Q

Where are neutrons located

A

Neutrons are located in the nucleus

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6
Q

What is the mass of an electron

A

Electrons have a mass of 1/1850 AMU

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7
Q

What is the mass of a proton

A

Protons have a mass of 1 AMU

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8
Q

What is the state of an electrons

A

They are orbit

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9
Q

Where are electrons located

A

They are located in the shell

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10
Q

What is an element

A

An element is a chemical substance that is made up of only one kind of atom and cannot be broken down by ordinary chemical means

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11
Q

Which sub - atomic particles has a positive electrical charge?

A

Protons have a positive electrical charge

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12
Q

What charge do neutrons have

A

They have a neutral charge

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13
Q

What is an atom

A

Atoms are the smallest particle of an element that can take part in chemical reaction

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14
Q

What is the state of a proton

A

Protons are stable

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15
Q

Where are protons located

A

Protons are located in the nucleus

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16
Q

What is the name of a negative ion

A

Anion

17
Q

What is the name of a positive ion

A

Cation

18
Q

What is the aim of ion formation

A

To make the element stable

19
Q

How are ions formed

A

They are formed when an atom loses or gains one or more electrons from or to it’s outermost shell

20
Q

What happens to electrons when cations are formed

A

They decrease

21
Q

What happens to electrons when anions are formed

A

They increase

22
Q

What is mass number

A

Mass number = Protons + Neurons

23
Q

What is atomic number

A

Atomic Number = Amount of Protons

Science (33 decks)

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