Table
Periodic
Nonmetals
Metals
Metalloids
Alkali Metals
Halogens
Alkaline Earth Metals
Transition Metals
Noble Gases
Lanthanides and Actinides
Metals
Back
Left of the Staircase
- About 80% of elements - Solids at room temperature (Exception: Mercury) - Common characteristics: shiny luster, good conductors, relatively high melting points
Nonmetals
Back
Right of the Staircase
- Most are gases - Larger variety of characteristics - Poor conductors - Common characteristics: dull luster, brittle, low boiling points
Metalloids
Back
The Staircase
- "In between" metals and nonmetals (have properties similar to both) - Semiconductors - Bonding behavior more similar to nonmetals
Alkali Metals
Back
Group 1
- Group 1 (Except for Hydrogen) - Metals with low melting points - Soft enough to cut with a knife - Highly reactive - explodes in water
Alkaline Earth Metals
Back
Group 2
- Highly reactive metals (but less reactive than alkali metals) - Produce bright, colorful flames (used in fireworks)
Halogens
Back
Group 17
- Halogen - "salt forming" in Greek - Highly reactive nonmetals - Highly corrosive
Noble Gases
Back
Group 18
- Nonmetals - Inert - "non-reactive" - Odorless, colorless gases at room temperature
Transition Metals
Back
Groups 3-12
- Basic properties of metals:- Good conductors - Malleable - Dense
Lanthanides and Actinides
Back
Actinides
Lanthanides
- Elements 57 - 71 - Rare Earth Metals - Highly Reactive - High Melting Points
- Elements 89 - 103 - Rare Earth Metals - Highly Reactive - Radioactive
Periodic Table
Morgan Lash
Created on October 27, 2025
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Transcript
Table
Periodic
Nonmetals
Metals
Metalloids
Alkali Metals
Halogens
Alkaline Earth Metals
Transition Metals
Noble Gases
Lanthanides and Actinides
Metals
Back
Left of the Staircase
- About 80% of elements - Solids at room temperature (Exception: Mercury) - Common characteristics: shiny luster, good conductors, relatively high melting points
Nonmetals
Back
Right of the Staircase
- Most are gases - Larger variety of characteristics - Poor conductors - Common characteristics: dull luster, brittle, low boiling points
Metalloids
Back
The Staircase
- "In between" metals and nonmetals (have properties similar to both) - Semiconductors - Bonding behavior more similar to nonmetals
Alkali Metals
Back
Group 1
- Group 1 (Except for Hydrogen) - Metals with low melting points - Soft enough to cut with a knife - Highly reactive - explodes in water
Alkaline Earth Metals
Back
Group 2
- Highly reactive metals (but less reactive than alkali metals) - Produce bright, colorful flames (used in fireworks)
Halogens
Back
Group 17
- Halogen - "salt forming" in Greek - Highly reactive nonmetals - Highly corrosive
Noble Gases
Back
Group 18
- Nonmetals - Inert - "non-reactive" - Odorless, colorless gases at room temperature
Transition Metals
Back
Groups 3-12
- Basic properties of metals:- Good conductors - Malleable - Dense
Lanthanides and Actinides
Back
Actinides
Lanthanides
- Elements 57 - 71 - Rare Earth Metals - Highly Reactive - High Melting Points
- Elements 89 - 103 - Rare Earth Metals - Highly Reactive - Radioactive