Difference between revisions of "Lead"
| Line 4: | Line 4: | ||
==Key Stage 3== | ==Key Stage 3== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[File: | + | [[File:LeadSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Lead]].]] |
[[Lead]] is a [[Group 4]] [[metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 82. | [[Lead]] is a [[Group 4]] [[metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 82. | ||
Revision as of 21:24, 2 April 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Lead is a Group 4 metal element, on the Periodic Table, with an atomic number of 82.
About Lead
Molecular Structure
- Lead has the chemical symbol Pb.
- Lead atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Lead as 82 protons and 125 neutrons in its nucleus giving it an Atomic Number of 82 and an atomic mass of 207.
- Lead is in Period 6 of the Periodic Table because it has 6 electron shells.
Properties
- Lead is a metal element so it is a good thermal conductor and a good electrical conductor.
- Lead is a shiny solid at room temperature.
- Lead is malleable.
- Lead is sonorous.
- Lead is ductile.
Key Stage 4
Meaning
Lead is a Group 4 metal element, on the Periodic Table, with 82 protons in the nucleus.
About Lead
Molecular Structure
- Lead has the chemical formula Pb.
- Lead atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Lead has 125 neutrons in its nucleus giving it an atomic mass of 207.
- Lead is in Period 6 of the Periodic Table because it has 6 electron shells.
- Lead loses electrons to form positive metal ions.
Properties
- Lead forms ionic bonds with non-metals.
- Lead is a metal element so it is a good thermal conductor and a good electrical conductor.
- Lead is a shiny solid at standard temperature and pressure and has a high melting point.
- Lead is malleable.
- Lead is sonorous.
- Lead is ductile.