Monday, February 25, 2013

Actinium

89
Ac
atomic number 89
227.0728
By: Emily Green 5th period


atomic number 89 By: Emily Green



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2.Basic Information
4.More basic principle
6. Protons, Neutrons, & Electrons

Basic Information
Chemical Symbol: Ac
Atomic number: 89
Atomic Mass: 227.0728
Period: Actnoids
Standard State: full-blooded at 20C
Color: Silvery
Classification: Metallic
The chemical symbol of alternating electric current is Ac. It is the shortage, or abbreviation, of a chemical element.
The atomic number of actinium is 89. It is how many protons that atomic number 18 inside the nucleus.
The atomic mass for alternating current is 227.0728. It is the average mass of one atom of an element.
Actinium is in period 7 called the Actiniods. A period is a horizontal row of elements in the periodic table.
Actinium is a significant at 20C. This means that it is not necessarily a unharmed at other degrees.
Actinium is a color. Actiniums classification is metallic, or being a metal.

More Basics
tightfistedness: 10.

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07 g/cm3
Melting Point: 1050C
Boiling Point: 3250C
Protons: 89
Electrons: 89
Neutrons: 138
This is a picture of an electronic cloud.

The following is a picture of Actiniums nucleus.



Actiniums density is 10.07.This means the criterion of mass of something in a givin volume.
Actiniums liquescent point is 1050C. This means when Actinium reaches this degrees Actinium provide melt.
Actiniums boiling point is 3250C. This means when Actinium reaches this degrees it will boil.

Protons are positively charged atomic particle. There are 89 in the chemical element Actinium. Electrons and protons have an decent amount of particles in any element. Electrons are negatively charged particles. Neutrons, there are 138 in Actinium, are uncharged particles in an element.If you want to get a full essay, order it on our website: Orderessay



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