Matter  Molecules  Atoms  protons + neutrons + electrons  quarks and leptons  Molecules  Atoms  protons + neutrons + electrons Realm of Chemists.

Slides:

Advertisements

Similar presentations

4.3: HOW ATOMS DIFFER ATOMIC NUMBER

Advertisements

Aim: What are isotopes and how do they affect the atomic mass of elements? Do Now: Copy vocabulary - Atomic number- number of protons in an atom. Mass.

Chapter 5 Sections 2 and 3 Structure of an atom nucleus- center of an atom -discovered by Ernest Rutherford in 1911 proton (p+) -positively charged subatomic.

Atomic Structure Topic 3.

Atomic Structure Nucleus – contains protons and neutrons

Structure of an Atom. What Is an Atom? An atom is often referred to as the building block of matter. Atoms have a nucleus surrounded by an electron cloud.

Atomic Mass & Number Isotopes The Periodic Table.

Development of the Atomic Theory

Atoms Mr. Skirbst Physical Science Topic 13. Atomic Models.

 The atoms of all elements are made up of a central nucleus with orbiting electrons. ◦ A nucleus is made up of positively charged PROTONS and neutral.

Atomic Structure and the Periodic Table

Atomic Model. Matter Anything that has mass and volume –Mass the amount of particles making up a substance –Volume is the amount of space taken up by.

Objectives To learn more about how the understanding of atomic structure developed To learn about the internal parts of an atom To understand Rutherford’s.

Subatomic particles Electron Proton Neutron NameSymbolCharge Relative mass Actual mass (g) e-e- p+p+ n0n / x x

Atomic Structure Chm Matter MixturesPure Substances.

The Atom and Its Parts Physical Science.  The three subatomic particles are:  Proton – Positive charge  Electron – Negative charge  Neutron – No charge.

Atomic Theory. Name the scientist whose atom looked like this…

Element Box page 7 Si Silicon 14 Atomic number Chemical Symbol

Determining the NUMBER of Protons Electrons and Neutrons in Atoms, Ions, and Isotopes.

Rutherford Experiment & Isotopes Mr. Rana 9/21/12.

1.3 Atomic Theory 1. John Dalton’s atomic theory - Matter is made up of small particles called atoms - Atoms cannot be created, destroyed or divided.

Chapter 4 - Atomic Structure

Atomic Mass. Atomic Number (A) Number of protons in the nucleus Atoms of the same element all have the same number of protons In a neutral atom, the total.

Matter & Atoms Unit 2. Matter Matter – anything that has mass and takes up space. Matter is made up of MUCH smaller particles known as atoms. 1)

What Makes Up a Atom?. Atoms are the smallest unit of matter. Atoms are the smallest unit of matter. Atoms CANNOT be divided! Atoms CANNOT be divided!

Review of Atomic Theory History. Structure of an Atom A carbon atom consists of protons and neutrons in a nucleus that is surrounded by electrons. - Introduction.

ATOMS. What are elements made of? What makes up ALL matter? ATOMS!! You have 2 minutes to write down everything you know about atoms! Draw a circle on.

Periodic Table of Elements

The Chemistry of Life Atoms and Elements Chapter 6.

Chapter 6: An Introduction to Atoms. Atomic Theory Development Key Players – Democritus – Dalton – Thomson – Rutherford – Bohr.

What part of an atom is the arrow pointing to? A. proton B. electron C. neutron D. shell E. nucleus.

Unit 3: The Atom. Atoms All matter is made of very tiny particles All matter is made of very tiny particles These particles have the same properties as.

Atomic Mass. Each element found on the periodic table of elements is given an atomic mass The atomic mass tells you the average mass of the atoms of an.

There are three states of matter: gas, solid and liquid All matter is made of atoms An element is made up of one type of atom A molecule is a combination.

Atoms - the smallest unit of an element Each element is made up of only one type of atom (the element Carbon is only made up of carbon atoms). Atoms.

Introduction to Atoms. What is the smallest particle into which an element can be divided and still be the same substance? A. electron B. neutron C. proton.

Ion a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons Ions DO.

Matter and Atoms PS3 PS4. Make 4 Square ProtonNeutron ElectronQuarks and Isotopes.

Atoms, Elements, & Compounds. Elements Element --- any substance that can’t be broken down into simpler substances. Example of an element --- Oxygen,

(8th) Chapter 4-1 Cornell Notes “Introduction to Atoms”

POD Who were the major scientists involved in discovering the model of the atom?

Subatomic Particles Atoms are composed of three particles Protons Neutrons Electrons Particles can be distinguished by their charge, mass, and location.

Ch. 11 Section 1 Review Development of the Atomic Theory.

{ Atom and Isotope Review Physical Science. An atom has 6 protons, 8 neutrons, and 6 electrons. What is the atomic mass?

3.3 The Atom. Periodic Table of Elements Atomic Number: Number of protons in an atom; usually appears directly above the chemical symbol. Number of protons.

UNIT 3: DAY 1 AND DAY 3 ATOMIC STRUCTURE. ATOM, ELEMENTS, AND COMPOUNDS Atoms are the smallest unit of matter In classification, all atoms are elements.

2. What are isotopes? Use two particles from the table above to illustrate your answer. (3 marks) 17 O & 18 O (1) Same Atomic mass / number of protons.

© OCR The periodic table is an essential tool for all chemists. It is full of useful information. RELATIVE ATOMIC MASS ATOMIC NUMBER SYMBOL helium.

All Need to Know About Atoms

Atomic Structure.

Isotopes AP Chem.

ELEMENTS, IONS AND ISOTOPES

Atoms and the Periodic Table

Basic Atomic Structure

Atomic Structure Chemistry, Unit 1.

Some atoms for Ions IONS IONS

How do structures of atoms Differ?

Atoms & Molecules.

Nature of Matter.

Structure of the Atom Describe the structure and arrangement of atomic particles. Characterize and classify elements based on their atomic structure.

Start-up #22 1. What did Democritus suggest matter was made of?

I. Structure of the Atom Chemical Symbols Subatomic Particles

Day 13 9/8-9/9 Agenda: Activity: what is matter?

Atomic Particles Particle Charge Mass (kg) Location Electron -1

Presentation transcript:

Matter  Molecules  Atoms  protons + neutrons + electrons  quarks and leptons  Molecules  Atoms  protons + neutrons + electrons Realm of Chemists The Atom Rutherford STM - scanning tunneling microscopy (of Si) JJ Thomson Particle Mass Charge Electrons 9.11x kg -1 Protons 1.67x kg+1 Neutron 1.67x kg 0 Tutorial Structure of the Atom

A. Atomic Number (Z) = #protons in an atom’s nucleus C. Mass Number (A) = # of protons + # of neutrons X AZAZ Atomic number Mass number Element 1. Isotopes - atoms of the same element with different numbers of neutrons (same Z different A) B. Element - a substance whose atoms all have the same number of protons D. Atomic Symbols Atomic Number (Z)

Exercises Additional Tutorial