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Science Flash Cards 🔬 > Periodic Table > Flashcards

Periodic Table Flashcards

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1
Q 
Element 1
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
HYDROGEN
Symbol- H 
Atomic Number- 1 
Atomic Weight/Mass- 1 
Protons- 1 
Neutrons- 0 
Electrons- 1 
Valence Electrons- 1 
Family- Hydrogen
Group- 1 
Period- 1

LEWIS DOT:
H ∙

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2
Q 
Element 2
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
HELIUM
Symbol- He
Atomic Number- 2
Atomic Weight/Mass- 4
Protons- 2
Neutrons- 2
Electrons- 2
Valence Electrons- 2 
Family- Noble gases
Group- 18
Period- 1

LEWIS DOT:
∙
He ∙

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3
Q 
Element 3
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
LITHIUM
Symbol- Li
Atomic Number- 3
Atomic Weight/Mass- 7
Protons- 3 
Neutrons- 4
Electrons- 3 
Valence Electrons- 1
Family- Alkali Metals
Group- 1
Period- 2

LEWIS DOT:
Li ∙

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4
Q 
Element 4
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
BERYLLIUM
Symbol- Be 
Atomic Number- 4
Atomic Weight/Mass- 9
Protons- 4
Neutrons- 5
Electrons- 4
Valence Electrons- 2 
Family- Alkaline Earth Metals
Group- 2
Period- 2

LEWIS DOT:
∙
Be ∙

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5
Q 
Element 5
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
BORON
Symbol- B
Atomic Number- 5
Atomic Weight/Mass- 11
Protons- 5
Neutrons- 6
Electrons- 5
Valence Electrons- 3
Family- Metalloids
Group- 13
Period- 2

LEWIS DOT:
∙
∙ B ∙

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6
Q 
Element 6
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
CARBON
Symbol- C
Atomic Number- 6 
Atomic Weight/Mass- 12
Protons- 6
Neutrons- 6 
Electrons- 6
Valence Electrons- 4
Family- Nonmetals 
Group- 14
Period- 2

LEWIS DOT:
∙
∙ C ∙
∙

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7
Q 
Element 7
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
NITROGEN
Symbol- N
Atomic Number- 7 
Atomic Weight/Mass- 14
Protons- 7
Neutrons- 7
Electrons- 7 
Valence Electrons- 5 
Family- Nonmetals
Group- 15
Period- 2

LEWIS DOT:
∙
∙ N :
∙

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8
Q 
Element 8
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
OXYGEN
Symbol- O 
Atomic Number- 8
Atomic Weight/Mass- 16 
Protons- 8
Neutrons- 8
Electrons- 8
Valence Electrons- 6 
Family- Nonmetals
Group- 16
Period- 2

LEWIS DOT:
∙∙
∙ O :
∙

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9
Q 
Element 9
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
FLUORINE
Symbol- F
Atomic Number- 9
Atomic Weight/Mass- 19
Protons- 9
Neutrons- 10 
Electrons- 9
Valence Electrons- 7
Family- Halogens
Group- 17
Period- 2

LEWIS DOT:
∙∙
: F :
∙

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10
Q 
Element 10
• symbol
• atomic number
• atomic weight
• proton
• neutron
• electrons
• valence electrons
• family
• group 
• period
*Lewis dot
A 
NEON
Symbol- Ne
Atomic Number- 10
Atomic Weight/Mass- 20
Protons- 10
Neutrons- 10
Electrons- 10
Valence Electrons- 8
Family- Noble gases 
Group- 18
Period- 2

LEWIS DOT:
∙∙
: Ne :
∙∙

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11
Q

Name the first 10 elements of the periodic table in order.

A

Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon

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12
Q

What does the Roman numeral on the periodic table represent?

A

The amount of valence electrons in an element

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13
Q

What are valence electrons?

A

An electron in the outermost electron shell of an atom that can be lost or shared with another atom to create a molecule.

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14
Q

Which family is skipped in the valence electron count?

A

Transition Metals

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15
Q

What are the differences between valence electrons and regular electrons?

A
  • Location of the electron
  • The ability to be shared or lost
  • An element will almost always have a different amount of valence electrons compared to total electrons
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16
Q

What is a Lewis Dot Diagram?

A

A diagram showing only element symbol and the amount of valence electrons

17
Q

What is a Bohr Model?

A

Used to predict REACTIVITY in elements
⇒Reactivity: how likely it is for an element to form a compound with another element
☑︎Look at valence electrons (electrons in last energy level) to determine reactivity

18
Q

Rules of Bohr Model

A 
☑︎Level 1 can hold a MAX of 2 electrons
☑︎Level 2 can hold a MAX of 8 electrons
☑︎Level 3 can hold a MAX of 18 electrons
☑︎Level 4 can hold a MAX of 32 electrons
*You must fill one level before going onto the next
19
Q

Steps to a Bohr Model

A
  1. Draw the nucleus
  2. Write number of protons and neutrons in nucleus
  3. Draw the first energy level
  4. Draw electrons in energy levels in pairs
  5. Keep track of how many electrons are put in each energy level
20
Q

Ex. Draw a Bohr Model for carbon

A

Protons: 6 Neutrons: 6 Electrons: 6
RESULT:
http://1048believe.com/wp-admin/js/atomic-structure-of-carbon-i5.jpeg

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