Atoms and the Periodic Table

Slides:

Advertisements

Similar presentations

Atoms Chapter 2, Section 1.

Advertisements

Atomic Mass & Number Isotopes The Periodic Table.

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

Structure of the Atom Sections Review Elements are made up of only one type of atom. All elements are listed on the Periodic Table. Each element.

 Determines the element  Number of protons CANNOT change for an element  Common charge notation is +1  Mass (g) = x  Mass (amu)=

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

1. Proton 2. Neutron 3. Electron 1. Protons 2. Neutrons 3. Electrons.

Chapter 3 Section 3 Counting Atoms Isotopes and Ions.

Building Blocks of Matter

Aim: What is an atom? DO NOW: Identify X, Y, and Z as a mixture, compound or element. DRAW IMAGE.

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.

The Chemistry of Life Atoms and Elements Chapter 6.

Atoms Atom- the smallest part of an element Atoms of one element are different from another element. contains protons, electrons, and neutrons Atomic Mass.

Calculating Particles for an ion. Representations from the Periodic Table Fe Iron Oxidation States Name Atomic Mass Atomic Number.

Chapter 17 Sec 1-4 Structure of the Atom. Elements Any material made up of only one type of atom is classified as an element. Any material made up of.

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

Wake-up. Parts of the Atom … from Discovery to Reality.

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.

 Atoms  Elements are made of particles called atoms  Atoms are the smallest pieces of matter that contain all the properties of a specific element.

Matter and Atomic Structure

Unit 2: Atomic Structure

Matter, Atomic Structure-Periodic Table

Chapter 2 chemistry of Life

Section 2 Protons, neutrons, and electrons- how atoms differ

All Need to Know About Atoms

Matter & The Atom.

Atomic Structure.

Subatomic Particles Masses of Atoms Mass Number Isotopes Ions

ATOMIC STRUCTURE MODEL

ELEMENTS, IONS AND ISOTOPES

Aim: What is an atom? DRAW IMAGES DO NOW: Identify X, Y, and Z as

Important Terms ATOM - Smallest unit of an element that keeps its chemical properties ELEMENT – Unique substance with the same number of protons in every.

Elements & The Element Square

Atomic Particles Particle Charge Mass # Location Electron -1

Bohr model of a helium atom

Intro to Chemistry I. Atoms A. Smallest whole particle of matter

Intro to Chemistry I. Atoms A. Smallest whole particle of matter

Atomic Structure.

How do structures of atoms Differ?

Atomic Structure.

The Atom Chapter 25.

Section 4.1 and 4.2 Atomic Theory.

Atomic Structure.

I. Atomic Structure II. Masses of Atoms Mass Number Isotopes Ion

The Structure of an Atom

ELEMENTS & ATOMS.

Chapter 2 Section 1 The Nature of Matter

Ch. 3 - Atomic Structure II. Masses of Atoms (p.75-80) Mass Number

Science Vocabulary 3 Week 8.

ATOMIC STRUCTURE.

Adapted from Harris Middle School: NEISD

TOPIC: Chemistry AIM: What is matter?

Structure of an Atom.

Chapter 2 The Chemistry of Life.

Intro to Chemistry Atoms Smallest whole particle of matter

Section 4.1 and 4.2 Atomic Theory.

Isotopes & Ions.

Atomic Structure.

The Structure of an Atom

Life depends on chemistry

Matter atoms. matter atoms subatomic protons electrons neutrons.

What Are Elements?.

September 9th, 2011 There should be a ‘mystery’ box at the front of your row. Make observations about the box WITHOUT opening it. Write this in your ‘Starter’

Adapted from Harris Middle School: NEISD

Chapter 2 The Chemistry of Life.

A simple model of the atom.

Section 3.1 – Matter, Elements, and Atoms

Has mass and takes up space

neutral equal electrons Atomic Number = Protons Element Symbol

Presentation transcript:

Atoms and the Periodic Table 14. nm Chapter 17 Atoms and the Periodic Table

14.3 nm Chapter 17 Fe adsorbed on Cu Section 17.1-17.4

Elements The simplest form of matter that has a unique set of properties Cannot be broken down into simpler substances chemical means

Elements Pick elements # of protons, electrons Neutrons

The Periodic Table

29 Cu 63.55

Why can’t you see individual atoms? Smaller than the wavelengths of visible light Use Scanning Tunneling Microscopy 400 nm

Scanning Tunneling Microscopy http://www.chembio.uoguelph.ca/educmat/chm729/stmpage/stmconc.htm http://researcher.watson.ibm.com/researcher/view_project.php?id=4245 STM Image Gallery

First Direct Evidence of Atoms Robert Brown 1827 Grains of pollen in water under microscope Brownian Motion http://www.google.com/imgres?hl=en&safe=active&sa=X&tbo=d&biw=1280&bih=642&tbm=isch&tbnid=CyEbJ7jbSJ3hQM:&imgrefurl=http://en.wikipedia.org/wiki/Brownian_motion&docid=bxJ0Tjr3_ePdSM&imgurl=http://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Brownian_motion_large.gif/220px-Brownian_motion_large.gif&w=220&h=220&ei=nb_pUJuKL6W_2QWo64GgCQ&zoom=1&iact=hc&vpx=12&vpy=148&dur=591&hovh=154&hovw=154&tx=46&ty=61&sig=111471320448460737906&page=1&tbnh=147&tbnw=147&start=0&ndsp=20&ved=1t:429,r:0,s:0,i:90

Parts of an Atom 1999 Science Joy Wagon www.regentsprep.org

Atoms are mostly empty space Electrostatic repulsion

Can you ever really touch the cat? Not really! Always a small gap between the atoms

Atomic Nucleus Particle Charge Mass compared to e- Mass (kg) Proton +1 1836 1.673 X 10-27 Neutron 1841 1.675 X 10-27 Electron -1 1 9.11 x 10-31

Nucleons Particles in the nucleus Protons Neutrons

Mass Number Mass Number= # protons + # neutrons

Isotopes Atoms of an element that have different numbers of neutrons 1 2 𝐻

Nuclear Symbol 2 3 𝐻𝑒

Hyphen Notation Name of Element – Mass Number 2 3 𝐻𝑒

Ions Protons – electrons = charge on ion Lithium 3 protons 4 neutrons

Ions Chlorine 17 protons 18 neutrons 19 electrons

Isotope Activity