Zusammenfassung der Ressource
Periodic Table
- Organized by
- Trends
- Has
- Columns
- Decrease in
- Ionization energy going down
- Electronegativity going down
- Have
- Similar properties
- Group 1
- Alkali metals
- Group 2
- Alkaline earth metals
- Group 7
- Halogens
- Group 8
- Noble gases
- Has
- Rows
- Left to right
- Smaller atomic radius
- New
- Cycle each row
- Can make
- Predictions
- Created by
- Dmitri Mendeelev
- Originally based
- On
- Atomic mass
- Period
- Physical change
- State of matter
- Atomic size
- Chemical change
- Acid-base
- Electronegativity
- Nature
- Metal
- Metalloid
- Non-metal