Your SlideShare is downloading. ×
0
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Structure Of Atoms
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Structure Of Atoms

14,154

Published on

Published in: Technology, Education
3 Comments
14 Likes
Statistics
Notes
No Downloads
Views
Total Views
14,154
On Slideshare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
1,167
Comments
3
Likes
14
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. A t o m i c S t r u c t u r e
  • 2.  
  • 3. Overview of topic Structure of Atoms Isotopes Electronic Arrangement Electronic Structure and the Periodic Table Ions Atomic Structure
  • 4. Today’s Menu <ul><li>What is an atom </li></ul><ul><li>Structure of an atom </li></ul><ul><li>Relative charges and approximate </li></ul><ul><li>relative masses of proton, neutron and an electron </li></ul><ul><li>Symbol of an atom </li></ul><ul><li>Proton number, nucleon number </li></ul>
  • 5. What is an atom?
  • 6. What is an atom <ul><li>All matters are made up of atoms </li></ul><ul><li>Atoms are extremely small in size </li></ul>
  • 7. What is an atom <ul><li>Picture of lithium atoms in the compound lithium cobalt oxide </li></ul><ul><li>Taken with a transmission electron microscope, which can magnify objects up to 500,0000 times </li></ul>
  • 8. What is an atom <ul><li>An atom consists of 3 subatomic particles: </li></ul><ul><li>Protons </li></ul><ul><li>Neutrons </li></ul><ul><li>Electrons </li></ul><ul><li>Atom is a particle which is electrically neutral </li></ul><ul><li>No. of protons = No. of electrons </li></ul>
  • 9. Structure of an Atom
  • 10. Structure of an Atom Protons and Neutrons + Electrons Nucleus Shells
  • 11. Structure of an Atom Shells
  • 12. Structure of an Atom Electrons Shells
  • 13. Structure of an Atom Protons and Neutrons + Electrons Nucleus Shells
  • 14. Structure of an Atom
  • 15. Relative charges and approximate relative masses
  • 16. <ul><li>One hydrogen atom weighs as much as 1836 electrons </li></ul><ul><li>Found around the nucleus. </li></ul>1/1840 (negligible) -1 Electron (e - ) <ul><li>Mass is the same as that of a hydrogen atom </li></ul><ul><li>Found in the nucleus of the atom </li></ul>1 0 Neutron (n) <ul><li>Mass is the same as that of a hydrogen atom </li></ul><ul><li>Found in the nucleus of the atom </li></ul>1 +1 Proton (p) Remarks Relative Mass Charge Particle
  • 17. Symbol of an atom
  • 18. &nbsp;
  • 19. Symbol of an atom E.g. Chemical Symbol Nucleon Number Proton Number
  • 20. Proton number, nucleon number
  • 21. Proton number <ul><li>Proton number (atomic number) </li></ul><ul><li>The number of protons in an </li></ul><ul><li>atom </li></ul><ul><li>For an atom, </li></ul><ul><li>no. of protons = no. electrons </li></ul>
  • 22. Nucleon number <ul><li>Nucleon number (mass number) </li></ul><ul><li>= no. of protons + no. neutrons </li></ul><ul><li>No. of Neutrons </li></ul><ul><li>= Nucleon number – Proton number </li></ul>
  • 23. Example <ul><li>Given , </li></ul><ul><li>(a) What is the proton number? </li></ul><ul><li>Ans: 29 </li></ul><ul><li>What is the number of electrons in Cu atom? </li></ul><ul><li>Ans: 29 </li></ul><ul><li>(c) What is the nucleon number? </li></ul><ul><li>Ans: 64 </li></ul><ul><li>(d) What is the number of neutrons? </li></ul><ul><li>Ans: 64-29=53 </li></ul>
  • 24. Summary
  • 25. Summary <ul><li>Structure of an atom </li></ul><ul><li>Relative charges and approximate relative masses of protons, neutrons and electrons </li></ul>+ Electrons Nucleus Protons and Neutrons
  • 26. Summary <ul><li>Symbol of an atom </li></ul><ul><li>Proton number, nucleon number </li></ul>Chemical Symbol Nucleon Number Proton Number
  • 27. Any Questions

×