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Science > Atoms > Flashcards

Atoms Flashcards

1
Q

What are the 3 parts of an atom?

A

Protons, Neutrons, and Electrons

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2
Q

Where is the location of a Proton?

A

In the nucleus

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3
Q

Where is the location of a Neutron?

A

In the nucleus

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4
Q

Where is the location of an Electron?

A

In the electron cloud

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5
Q

What is the charge of a Proton?

A

Positive

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6
Q

What is the charge of a Neutron?

A

Neutral

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7
Q

What is the charge of an Electron?

A

Negative

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8
Q

What is the size of a Proton?

A

1 amu

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9
Q

What is the size of a Neutron?

A

1 amu

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10
Q

What is the size of an Electron?

A

Virtually massless

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11
Q

What is the function of a Proton?

A

Gives the atom its identity

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12
Q

What is the function of a Neutron?

A

Gives the atom stability

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13
Q

What is the function of an Electron?

A

Where bonding with the other atoms happens

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14
Q

Does the number of Protons have to equal the number of Neutrons?

A

No

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15
Q

_________ - _________ = Number of Neutrons

A

Mass Number (rounded), Number of Protons

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16
Q

We will always round the atomic mass to the nearest…

A

Whole Number

17
Q

If the number to the right of the decimal is 0-4 then…

A

round down

18
Q

If the number to the right of the decimal is 5-9 then…

A

round up

19
Q

Two or more atoms of the same element with a different number of Neutrons is an…

A

Isotope

20
Q

On the Periodic Table of Elements, the atomic mass is written on the…

A

Bottom

21
Q

On the Periodic Table of Elements, the atomic number is written on the…

A

Top

22
Q

Electrons can _______ and ______ the atom fairly easily.

A

Enter, Exit

23
Q

Protons and Neutrons never…

A

Leave

24
Q

Electrons always fill an atom starting with the…

A

Lowest Energy Spots

25
Q

What do atoms want?

A

A full outer shell

26
Q

The outer shell is called…

A

the Valence shell

27
Q

Electrons always fill based on…

A

Energy

28
Q

Except for the first shell which only holds 2 electrons, the Valence shell is filled with…

A

8 Electrons

29
Q

What column on the periodic table has elements with a full outer shell?

A

The last one

30
Q

Know this: it goes from left to right, what the charge of an element will be
+1, +2, +3, + or -4, -3, -2, -1, none

A

Great Job

31
Q

A negative charge means…

A

I gained a(n) electron

32
Q

A positive charge means…

A

I lost a(n) electron

33
Q

Change the number of Protons and you get…

A

A new element

34
Q

Change the number of Electrons and you get…

A

Ion

35
Q

Change the number of Neutrons and you get…

A

Isotope

36
Q

A positive ion is called a…

A

Cation

37
Q

A negative ion is called a…

A

Anion

Science (5 decks)

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