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Science 🔬 > Periodic Table of Elements > Flashcards

Periodic Table of Elements Flashcards

1
Q

What is an element?

A

A pure substance that cannot be broken down into simpler substances.

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2
Q

What is the Periodic Table?

A

A chart organizing all discovered elements, showing the repeated pattern of their properties.

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3
Q

What is the atomic number?

A

The number of protons in an atom.

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4
Q

What is atomic mass?

A

The average mass of all the element’s isotopes (p + n).

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5
Q

What is the chemical symbol?

A

An English or Latin abbreviation of a chemical name.

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6
Q

What is an element name?

A

The name of that element.

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7
Q

What are groups/families?

A

18 vertical columns.

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8
Q

What are periods?

A

7 horizontal rows.

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9
Q

Who is the Father of the Periodic Table?

A

Dimitri Mendeleev

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10
Q

What are the three coinage or noble metals?

A

Gold (Au), silver (Ag), and copper (Cu)

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11
Q

Where are metals located on the periodic table?

A

On the left and middle side.

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12
Q

What are the properties of metals?

A
  • Can be hammered without breaking (malleable)
  • Can be twisted into a wire (ductile)
  • Shiny, reflective surface (luster)
  • Good heat and electricity conductors
  • Reactive elements
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13
Q

Where are metalloids located on the periodic table?

A

On the “staircase line” on the right side.

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14
Q

What are the properties of metalloids?

A
  • Solids
  • Metallic luster
  • Brittle (easily broken)
  • Semiconductors (electricity but not heat)
  • Behave more like nonmetals
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15
Q

Where are nonmetals located on the periodic table?

A

On the top right side.

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16
Q

What are the properties of nonmetals?

A
  • Dull, colorless, or colorful (no luster)
  • Poor conductors
  • Brittle (easily broken)
  • Low melting points
  • Often gases at room temperature
  • Not malleable or ductile
17
Q

What are the properties alkali metals?

A
  • Metals
  • Highly reactive
  • Low melting and boiling points
  • Highly malleable and ductile
  • Good heat and electricity conductors
  • Metallic luster
18
Q

Which group is the alkali metals?

A

Group 1

19
Q

Name examples of alkali metals.

A
  • Lithium (Li)
  • Sodium (Na)
  • Potassium (K)
  • Francium (Fr)
20
Q

What are the properties of alkaline earth metals?

A
  • Metals
  • Very reactive but less reactive than alkali metals
  • Denser and harder than alkali metals
  • Malleable
  • Ductile
  • Silvery white luster
  • Melting and boiling points are higher than alkali metals
21
Q

Which group is the alkaline earth metals?

A

Group 2

22
Q

Name examples of alkaline earth metals.

A
  • Beryllium (Be)
  • Radium (Ra)
23
Q

What are the properties of transition metals?

A
  • Metals
  • Good heat and electricity conductors
  • Malleable
  • Less reactive compared to other metals
  • Highest melting and boiling points
  • Denser than the other metals
  • Hardest metal (except for mercury)
  • Have luster
24
Q

Which groups are the transition metals in?

A

Groups 3-11

25
Q

Name examples of transition metals.

A
  • Titanium (Ti)
  • Chromium (Cr)
  • Mercury (Hg)
  • Tungsten (W)
26
Q

Name examples of metalloids.

A
  • Gallium
  • Antimony
  • Arsenic
  • Boron
  • Silicon
27
Q

Where are noble gases located on the Periodic Table?

A

On the far right side.

28
Q

What are properties of noble gases?

A
  • Nonmetals
  • Colorless, odorless, tasteless
  • Nonflammable
  • Non-reactive
  • Complete valence shell
  • Low boiling points
29
Q

Name examples of noble gases.

A
  • Oganesson
  • Helium
  • Neon
  • Xenon
  • Radon
30
Q

Which group are noble gases found?

A

Group 18

31
Q

What are properties of halogens?

A
  • Nonmetals
  • States broadly vary (can be solid, liquid, or gas)
  • Highly reactive, especially with alkali and alkaline earth metals
32
Q

Where are halogens found on the Periodic Table?

A

On the far right side.

33
Q

Which group are halogens found?

A

Group 17

34
Q

Name examples of halogens.

A
  • Fluorine
  • Chlorine
  • Iodine

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