Upload File

simple concept of atoms and molecules

22
Chapter 2 Simple Concepts of Atoms and Molecules

Upload: haoken

Post on 12-Nov-2014

2.533 views

Category:

Documents


4 download

Report

TRANSCRIPT

Page 1: Simple concept of Atoms and Molecules

Chapter 2Simple Concepts of

Atoms and Molecules

Page 2: Simple concept of Atoms and Molecules

Everything around us is made of molecules, bits of matter so small that you can’t see them. This highly magnified photo shows individual sugar crystals, which are made of even smaller sugar molecules.

Page 3: Simple concept of Atoms and Molecules

Water droplets are made of water molecules that bond together.

Page 4: Simple concept of Atoms and Molecules

Matter is Made up of Atoms

An element is made up of small particles called atoms.

Page 5: Simple concept of Atoms and Molecules

Atoms are so tiny that they can’t be seen with the naked eye. However, they can be viewed and photographed with a special microscope. This picture shows atoms of the element silicon.

Page 6: Simple concept of Atoms and Molecules

What Makes up an Atom?

An atom comprises three types of fundamental sub-atomic articles: electron, proton and neutron.

An atom is mostly empty space. It has a nucleus in the centre which

contains protons and neutrons. Electrons move around the nucleus in

fixed paths or orbits.

Page 7: Simple concept of Atoms and Molecules

Data on Fundamental Sub-Atomic Particles

Page 8: Simple concept of Atoms and Molecules

Comparing the Size of Atoms

Page 9: Simple concept of Atoms and Molecules
Page 10: Simple concept of Atoms and Molecules

The Formation of Ions

Page 11: Simple concept of Atoms and Molecules

The Formation of Ions

Page 12: Simple concept of Atoms and Molecules

The Formation of Ions

Page 13: Simple concept of Atoms and Molecules

Some Ions Formed by Atoms

Page 14: Simple concept of Atoms and Molecules

What are Molecules?

A molecule is usually made up of two or more atoms chemically combined together.

Page 15: Simple concept of Atoms and Molecules

Representations of some Molecules of Common Elements

Page 16: Simple concept of Atoms and Molecules

Representations of some Molecules of Common Elements

Page 17: Simple concept of Atoms and Molecules
Page 18: Simple concept of Atoms and Molecules
Page 19: Simple concept of Atoms and Molecules
Page 20: Simple concept of Atoms and Molecules

Chemical Formulae Nitrogen

Carbon monoxide

Water

Page 21: Simple concept of Atoms and Molecules

Ammonia gas

Ethanol

Chemical Formulae

Page 22: Simple concept of Atoms and Molecules

Atoms in Molecules

CHAPTER 2: Atoms, Molecules and Stoichiometry 2_ Atoms... · CHAPTER 2: Atoms, Molecules and Stoichiometry ... including use of the mole concept, ... Avogadro's law states that for

Atoms-Molecules & Nuclei

Chem - Atoms, Molecules

ATOMS, MOLECULES & STOICHIOMETRY

Atoms, Molecules & Bonding

Introduction to Matter - MYP YEAR 3 FALCONS€¦ · B. Atoms and molecules are always in motion. Matter is made of atoms. 1. Atoms 2. Molecules atom molecule VOCABULARY KEY CONCEPT

Atoms, Molecules and Ions Atoms, Molecules and Ions

Atoms, Molecules and Ions - Honourscheminnerweb.ukzn.ac.za/Files/Atoms,molecules,nomenclature.pdf · Atoms, Molecules and Ions ... First observed by Henri Becquerel. ... • Because

2.1 Atoms, Ions, and Molecules KEY CONCEPT All living things are based on atoms and their interactions

Chapter 2 ATOMS, MOLECULES, & IONS - Lamar University · Chapter 2 ATOMS, MOLECULES, & IONS Atomic Theory & Atomic Structure ... Atomic Theory & Atomic Structure The key concept in

SECTION ATOMS, IONS, AND MOLECULES 2.1 …mrjsbiologyclass.weebly.com/uploads/1/1/3/5/11355889/...2.1 ATOMS, IONS, AND MOLECULES Study Guide KEY CONCEPT All living things are based

Atoms, Molecules & Ions

2.1 Atoms, Ions, and Molecules KEY CONCEPT Carbon-based molecules are the foundation of life

Atoms, Ions, Molecules

Atoms, Matter & Molecules

Atoms and Molecules - Educasiaeducasia.org/.../Atoms-and-Molecules-Students-book.pdf · 4 When atoms come together to make molecules, atoms cannot be destroyed and they cannot be

Atoms Molecules Elements

Atoms & Molecules

ATOMS, MOLECULES, & IONS

Atoms, Molecules, and Ions Chapter 2 Atoms, Molecules, and Ions

Atoms, Molecules, and Ions Chapter 2 Atoms, Molecules, Ions

ATOMS AND MOLECULES - Educasiaeducasia.org/.../Atoms-and-Molecules-Teachers-book.pdf · 2 An outline of this lesson How Atoms Change Molecular bonds hold atoms together in molecules;

Atoms and molecules

SECTION ATOMS, IONS, AND MOLECULES 2.1 Study Guidemrjsbiologyclass.weebly.com/uploads/1/1/3/5/11355889/__bio_urb_ch02.pdf2.1 ATOMS, IONS, AND MOLECULES Reinforcement KEY CONCEPT All

Ch2 atoms&molecules

Atoms , molecules & nuclei

CHAPTER 2 The Chemistry of Life. Concept 2.1 Atoms, Ions and Molecules

Molecules and Compounds. Atoms Molecules Cells