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Science: Atoms > Review Sheet > Flashcards

Review Sheet Flashcards

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1
Q

Maximum number of electrons that the first shell can hold

A

2

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2
Q

Maximum number of electrons second shell can hold

A

8

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3
Q

Maximum number of electrons third shell can hold

A

8

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4
Q

Maximum number of electrons that fourth shell can hold

A

18

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5
Q

What does the atomic number also represent?

A

Number of protons

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6
Q

Where are protons located?

A

Nucleus

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7
Q

Where are electrons located?

A

Shells of the atom

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8
Q

Where are neutrons located?

A

Nucleus of the atom

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9
Q

Atom

A

Has the same number of protons and electrons

Neutral particle

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10
Q

Ion

A

Charged particles

It gains or loses electrons

An electro charge hat forms when an atom gains or loses an electron

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11
Q

Did a positive ion gain or lose electrons?

A

Lose

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12
Q

Did a negative ion gain or lose electrons?

A

Gain

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13
Q

What family is halogens in?

A

17

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14
Q

What family is noble gasses?

A

18

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15
Q

What family is Alkali metals in?

A

1

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16
Q

What family is Alkali earth metals in?

A

2

17
Q

Is Hydrogen in the Alkali metals?

A

No, it isn’t a metal

18
Q

The periodic table

A

It organizes the elements according to their physical and chemical properties.

19
Q

Periods

A

7 Horizontal rows of the periodic table

20
Q

Families

A

18 vertical columns on the periodic table

21
Q

Where do metals appear on the periodic table?

A

Left side of the staircase

22
Q

Where do non-metals appear on the periodic table?

A

Right side of the staircase

23
Q

Where are Metalloids located in the periodic table?

A

Zig zag staircase

24
Q

Average atomic mass

A

Is the weighted average of the masses of the atom of an element

25
Q

What are the rules of writing a chemical symbol?

A
  1. First letter must be capitalized
  2. Symbol is one or 2 letters
  3. Second letter, if present is lower case
26
Q

What is a gas at room temperature

A

Chlorine

27
Q

What metal is a liquid at room temperature

A

Mercury

28
Q

Physical properties of metal?

A

Ductile, malleable, good conductors of heat and electricity

29
Q

Atomic mass

A

With decimals

The mass of an average atom of that element

30
Q

Mass number

A

No decimals

31
Q

What kind of particle has to be added or removed from an atom so that it has a charge?

A

Electron

32
Q

Ion charge

A

The electric charge that forms on the atom when it gains or loses an electron

33
Q

What ion is on the left side of the periodic table?

A

Positive

34
Q

What ion is on the left side of the table

A

Negative or neutral

35
Q

What are the 3 major groups of categorization on the periodic table?

A

Metals
Non-metals
Metalloids

36
Q

What are the 4 families in the periodic table?

A

Halogens
Alkali metals
Alkaline earth metals
Noble gasses

37
Q

Metal charge

A

Positive ion

38
Q

Non-metal charge

A

Negative ion

39
Q

Noble gasses charge

A

No charge

Science: Atoms (3 decks)

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