Chemical Reactions SB

642 views

Published on

Chemical Reactions

Published in: Technology, Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
642
On SlideShare
0
From Embeds
0
Number of Embeds
7
Actions
Shares
0
Downloads
3
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Chemical Reactions SB

  1. 1. Elements, Atoms, Compounds and Molecules <br />By Samantha Bennett<br />
  2. 2.
  3. 3. What is an atom?<br />An atom is fundamental piece of matter which it is made up of protons, neutrons and electrons<br />
  4. 4. What is an element<br />An element is a pure substance made up of one type of atom.<br />
  5. 5. Metals<br />Metal is an element, compound, or alloy that conducts heat and electricity.<br />Copper<br />
  6. 6. Non metals<br />A non-metal is an element on the periodic table that does not have the properties of a metal element such as malleability. Non metals are usually found as gases in nature or weak, brittle solids.<br />Phosphorus<br />
  7. 7. Compounds<br />A chemical compound is a pure chemical substance consisting of two or more different chemical elements.<br />
  8. 8. Chemical reaction<br />A chemical reaction is a process that leads to the transformation of one set of chemicals substances to another.<br />
  9. 9. Identifying chemical reactions<br />Heat and light gas or precipitate<br />
  10. 10. A physical change is reversible, a chemical change is not. For example, the freezing of water would be a physical change because it can be reversed, whereas the burning of wood is a chemical change - you can&apos;t &apos;unburn&apos; it <br />Chemical and physical reactions<br />
  11. 11. Factors affecting a reaction rate?<br />Temperature, concentration, size of particles or using a catalyist<br />
  12. 12. Bibliography<br />http://www.qrg.northwestern.edu/projects/vss/docs/Propulsion/1-what-is-an-atom.html<br />http://www.ncbi.nlm.nih.gov/pccompound<br />http://web.jjay.cuny.edu/~acarpi/NSC/6-react.htm<br />http://en.wikipedia.org/wiki/Wiki<br />

×