Chemistry > Electronic Structure > Flashcards

Electronic Structure Flashcards

(18 cards)

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1
Q

Metal properties

A
  • shiny
  • high boiling and melting point
  • solid at room temperature
  • malleable when solid
  • ductile when solid
  • good conductor of electricity and thermal energy
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2
Q

Non metal properties

A
  • dull
  • low boiling and melting point
  • gas at room temperature
  • brittle when solid
  • non ductile when solid
  • poor conductors (they are actually insulators)
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3
Q

Chemical properties

A

A characteristic of a substance determined only by studying its chemical reactions

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4
Q

Metal chemical properties

A
  • loose electrons
  • form positive ions
  • do not react with metals, but can for alloys with them
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5
Q

Non metal chemical properties

A
  • non metals gain electrons
  • have a positive ion (negative charge)
  • non metals can react with each other, and form compounds
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6
Q

What happens when a metal dissolves in water

A

It forms an alkaline solution

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7
Q

What happens when a non metal dissolves in water

A

It forms an acidic solution

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8
Q

What type of elements is ionic bonding between

A

Metal + non metal

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9
Q

What type of elements is covalent bonding between

A

Non metal + non metal

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10
Q

Do non metals loose or gain electrons

A

Gain

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11
Q

Do metals loose or gain electrons

A

Loose

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12
Q

What are periods

A

The horizontal rows

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13
Q

What are groups

A

The vertical columns

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14
Q

What do the groups show

A

They show the total number of electrons in an elements outer shell

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15
Q

What do the periods show

A

The total number of shells in the element

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16
Q

The atomic number is

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A

All of the numbers in the electron configuration added up

17
Q

The periods are

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A

The total number of numbers in the electron configuration, eg 2.8.7 has 3 numbers, so it is in period three

18
Q

What is the atomic mass

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A

Total number of protons + total number of neutrons

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