Lead

by: Maisie Ostroski

History and Uses

The founder of lead is unknown, lead has been around since ancient times.

Used in building construction.

Facts about lead

Poisonous to animals and humans, damaging the nervous system and causes brain disorders also excessive lead causes blood disorders.

Lead is a neurotoxin that accumulates both in soft tissues and the bones

Compounds

PbO- lead monoxide

PbSe- lead selenide

PbF2- lead difluoride

Properties

Lead is a bluish-white lustrous metal.

It is highly malleable and is a poor conductor of electricity compared to other metals.

atomic number is 82

atomic weight is 207.2

number of each particle

p+ 82

e- 83

n 125

Group

No common names

They form co loured compounds.

have high densities.

Can be hammered or bent into shape easily.

High melting points.

Usually hard and tough.

Model

valence electrons- 6s2p2

Specific heat

c in J/gm K - .128

melting point - 621.5 F or 327.5 C

boiling point - 3,182 F or 1,750 C

Balanced equation

Pb+CuCl2 ->PbCl2+Cu

Acrostic poem

Lustrous metal

Easily hammered or bent into shape

A heavy metal

Density is high

nuclide and hyphen notation

82 Pb

207.2

Lead-82

Reaction type

DD- Pb(NO3) + @KCL -> KNO3 + PbCl2

S- Pb+Br2-> PbBr2

SR- Pb+ CuCl2 -> PbCl2+Cu

Big image
Big image
Big image
RHNB-Lead Ingot