Free Powerpoint Presentations

Atomic Structure
Page
3

DOWNLOAD

PREVIEW

WATCH ALL SLIDES

Most of the volume of the atom is empty space

Helium-4

Image: User Yzmo Wikimedia Commons.

Slide 17

About Quarks

About Quarks

Protons and neutrons are NOT fundamental particles.

Protons are made of two up quarks and one down quark.

Neutrons are made of one up quark and two down quarks.

Quarks are held together by gluons

Images: Arpad Horvath, Wikimedia Commons.

Slide 18

Isotopes

Isotopes

Isotopes are atoms of the same element having different masses due to varying numbers of neutrons.

Slide 19

Atomic Masses

Atomic Masses

Atomic mass is the average of all the naturally isotopes of that element.

Carbon = 12.011

Slide 20

Atomic Number

Atomic Number

Atomic number (Z) of an element is the number of protons in the nucleus of each atom of that element.

Slide 21

Mass Number

Mass Number

Mass number is the number of protons and neutrons in the nucleus of an isotope.

Mass # = p+ + n0

8

8

18

18

Arsenic

75

33

75

Phosphorus

15

31

16

Go to page:
 1  2  3 

Contents

Last added presentations

2010-2019 powerpoint presentations