Presentation is loading. Please wait.

Presentation is loading. Please wait.

Biochemistry Chemistry of Life (2.1).

Similar presentations


Presentation on theme: "Biochemistry Chemistry of Life (2.1)."— Presentation transcript:

1 Biochemistry Chemistry of Life (2.1)

2 Element Chlorine (Cl)

3 Compound Sodium (Na) + Chlorine (Cl)  salt (NaCl)

4 CHNOPS = Life

5 Atoms & Subatomic particles

6 Electron orbitals Electrons circling the nucleus

7 Ions Differing number of electrons

8 Atoms found on a Periodic Table See the energy levels of electrons?

9 Molecule: Same element

10 Molecule: Different elements

11 Periodic Table of Elements Atomic Mass is shown on the bottom of each square Atomic Number is shown in the upper left corner

12 Elemental Oxygen How many protons in Oxygenatoms
Elemental Oxygen How many protons in Oxygenatoms? How many neutrons in Oxygen atoms normally?

13 Isotopes Differing numbers of neutrons

14 Radioactive Isotopes

15 Potential Energy Energy of Position Which diver has more potential energy?

16 Potential “stored” energy of the electrons in the bond between Oxygen (O) and Hydrogen(H)

17 Kinetic Energy Energy of Movement

18 The “cloud” is created by moving (kinetic) electrons

19 Periodic Table of Elements Atomic Mass is shown on the bottom of each square Atomic Number is shown in the upper left corner

20 Period on a periodic table Period run horizontally, like sentences

21 Families on a periodic table Families run vertically, like columns

22 Covalent Bonds See the shared electrons between Carbon(C) and Hydrogen (H)?

23 Polar covalent bonding of water molecule See how each end(pole) has an electrical charge?

24 Structural Formula

25 Molecular Formula CH4 Methane gas 1 atom of Carbon &
4 atoms of Hydrogen

26 Ionic bonding See the electron being lost from Na and gained by Cl?

27 Ionic Compound Salt (NaCl)

28 Hydrogen Bonding See the positive Hydrogen (H) attracted to the negative Nitrogen (N)?

29 Chemical Reactions


Download ppt "Biochemistry Chemistry of Life (2.1)."

Similar presentations


Ads by Google