Modern Atom Model.

Slides:

Advertisements

Similar presentations

Atomic Structure.

Advertisements

Atoms 8.5A The student is expected to describe the structure of atoms, including the masses, electrical charges, and locations, of protons and neutrons.

Journal #20 1. Who discovered the electron? 2. What did Rutherford discover?

Structure of an Atom Nucleus: Nucleus:Proton.

Structure of the atom. What makes up the atom? Nucleus –Protons (positively charged) –Neutrons (no overall charge) Orbitals –Electrons (negatively charged)

Inside An Atom. Nucleus Every Atom has a core called a nucleus. Every Atom has a core called a nucleus. The Nucleus is largest part of an atom (about.

Atomic Structure. Modern Atomic Theory: 1. All matter is made of atoms, too small to see. 2. Each element has its own kind of atom. Atoms of the same.

Atomic Structure. What are the 3 major parts of an atom? Proton Neutron Electron.

Radioactivity and the nucleus

Atoms, Elements, Compounds, and Ions

Atomic Structure Isotopes.

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

The Atomic Theory The smallest particle of an element that can enter into chemical change. 2. Building block of all matter. 3. Consists of a central nucleus.

Atoms, Elements, Compounds, and Ions

The Modern View of Atomic Structure

Structure of an Atom & The Charge of An Atom

Atomic Structure.

Inside An Atom.

Atomic Structure.

Atomic Structure Opener: How do you calculate atomic mass? SWBAT:

ELEMENTS, IONS AND ISOTOPES

You will have 3 minutes so work as fast as you can

Bohr-Rutherford Diagrams

Atoms General Science 2.

Bell Work! Answer the three questions below… 1. What do the blue dots represent? 2. What charge do the white dots have? 3. Does this atom have a positive.

Structure of the Atom PSC Ch. 3-2.

Bell Ringer What is the smallest part of a living thing (You learned this last year)?

Atom p. 88 The smallest unit of an element How small are they?

Atomic Particles Particle Charge Mass # Location Electron -1

Bohr model of a helium atom

Move and label the protons, neutrons, and electrons to build an atom of each of the following elements.

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

Building Atoms.

The Atom Friday, September 11th, 2015.

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

Atoms Atomic Structure.

Warm Up What can you infer about these three objects?

Atomic Number Atomic Mass

THE ATOMIC NUCLEUS How is the atom put together?

Section 3-3 Counting Atoms.

Build An Atom Workshop: Hydrogen 1

Unit 2 Chemical Categories.

Unit 1 Vocabulary Atom – smallest particle of an element that maintains the properties of that element Atomic mass – average mass of one atom of an element.

Rounding Summary Fill in zeros where you have estimated Round to tens:

The Atom 3 major parts of the atom are: Protons Neutron Electrons

Modern Atom Model.

Atoms and the Periodic Table

Chapter Six: The Atom 6.1 Fundamental Particles and Forces

ELEMENTS & ATOMS.

Atomic Structure.

Chemistry Unit: Chapter 3

Chemistry Unit Two, Day One.

The Structure of an Atom

e- p+ n0 0 amu 1 amu 1 amu Electron proton Neutron

Chapter 6-2 part 1 The Atom.

Intro to Chemistry Atoms Smallest whole particle of matter

Introduction to Atoms 8th Grade Science

ELEMENTS AND THE PERIODIC TABLE

How do the parts of an atom influence the elements?

Atomic Structure Hmmmm… Imagine cutting a gold bar in half.

Atoms, Elements, Compounds, and Ions

Atomic number Atomic mass.

Chapter 6-2 part 1 The Atom.

Unit 3A – SFMS Rebecca Collins

MONDAY 10/20 What is an atom? What are the 3 parts of atoms?

Example Example 1: The atom of an element has a mass number of 214 and an atomic number of 82. a) How many protons and neutrons does it have? The number.

The Atom Ch.17 Sec.1.

neutral equal electrons Atomic Number = Protons Element Symbol

Presentation transcript:

Modern Atom Model

Modern Atom Model In 1911 Ernest Rutherford determined that atoms were mostly empty space with negatively charged electrons orbiting a positively charged nucleus. 1932 James Chadwick included protons and neutrons within the nucleus.

Modern Atom Model The modern atom model includes: Nucleus Protons - Positively Charged particles Neutrons - Neutrally Charged particles (no charge) Electron Cloud Electrons- Negatively charged particles

Modern Atom Model Each type of atom or element has a unique number of protons, neutrons, and electrons. For example: Element Proton Neutron Electron Hydrogen 1 Helium 2 Lithium 3 4 Copper 29 35 Gold 79 118

Modern Atom Model Determining the number of protons, neutrons, and electrons. And reading the periodic table. Atomic number - the number of protons Atomic mass - the number of protons and neutrons Electrons - for our class will be the same as the protons

Modern Atom Model Let’s Practice: Protons: _________ Protons: _________ Neutrons: ________ Neutrons: ________ Electrons: ________ Electrons: ________ Protons: _________ Protons: _________

Modern Atom Model The periodic table is ordered by atomic number and grouped into families of similar elements.

Modern Atom Model Snowflake atom activity instruction Gather materials: scissors, snowflake template, cardstock, glue, and colored pencils. Cut out the atom template. Determine the element. Glue the snowflake atom model to the card stock. Label and color the protons, neutrons, and electrons.