Atoms and Molecules - Ato ms and Mo le c ule s AAMNA...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Atoms and Molecules AAMNA KAMRAN (Bsmc2k10)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
The Atom An atom is the smallest particle of an element. An atom is made up of three sub particles called the proton, neutron and electron. The center of the atom is the nucleus. The atomic no. is the no. of protons in an atom. The atomic weight is the sum of the protons and neutrons.
Background image of page 2
The Atom The electron orbits around the outside of the nucleus in shells. An atom that is not neutral and has an electrical charge is called an ion. Thomson’s model of the atom. Rutherford’s model of the atom.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
The Proton Mass slightly less than that of a neutron=(1.6726X10^27). Charge=+1 Made up of three quarks , held together by gluons. Stable by itself.
Background image of page 4
The Neutron No net electrical charge. Mass slightly larger then proton. Neutron no. determines of isotopes of that element(C 12 and C 14 ). Involved in nuclear fission and fusion to generate energy.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
The electron Extremely small Mass=(9.10x10^28)by J.J
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 16

Atoms and Molecules - Ato ms and Mo le c ule s AAMNA...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online