STRUCTURE OF ATOM AND NUCLEUS

Slides:

Advertisements

Similar presentations

Nucleus. Nuclear Notation  The nucleus consists of protons and neutrons. Protons: Z (atomic number) Neutrons: N Nucleons: A = Z + N (atomic mass) Full.

Advertisements

Nuclear Science What is in a nucleus? Why do nuclei decay? Where does radiation come from?

Atomic Mass & Number Isotopes The Periodic Table.

Chemical Ideas 2.1. A simple model of the atom.. What’s inside? In the nucleus? Protons And around the nucleus? Electrons Neutrons.

Nuclear notation and Binding energy Contents: Atomic notation Isotopes Whiteboard Binding Energy AMU Making an atom Calculating binding energy Whiteboards.

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

What are Isotopes? understand what an isotope is

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

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

Atomic Number & Atomic Mass

Atomic notation X A Z X = Symbol (C, Au) A = Atomic Mass Number = #nucleons (Protons + Neutrons) Z = Atomic Number = #protons C 12 6 Carbon A = 12, Z =

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

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.

DMI 261 RADIATION BIOLOGY and PROTECTION. UNIT 1 THE ATOM  Nucleus Protons Protons Neutrons Neutrons  Shells / orbits electrons electrons.

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.

Chemistry: Inside the Atom Chapter 3 Part 2. How Atoms Differ Atoms differ in the number of protons they have. – Oxygen has 8 Protons, Fluorine 9 Protons,

Mass of constituent parts of the nucleus:

Chapter 3: Chemical Foundations: Elements, Atoms, and Ions

All Need to Know About Atoms

Warm-up: Complete the following table

Parts of the Atom PSSA: A/S8.C.1.1.

ELEMENTS, IONS AND ISOTOPES

Unit 2: Atomic Theory & Structure

All substances are made from atoms.

Atomic Symbols protons + neutrons = mass # atomic # = protons.

All substances are made from atoms.

ATOMIC STRUCTURE CHAPTER 17.

Modern Atomic Theory.

Elements & The Element Square

Atomic Particles Particle Charge Mass # Location Electron -1

Intro to Atomic Structure BR 10/3-4

How do structures of atoms Differ?

Atoms & Molecules.

Atomic Structure.

H H H Isotopes element: same or different mass:

H H H Isotopes element: same or different mass:

Atomic Structure Chemistry.

Warmup Draw an atom.

Isotopes QUICK NOTES Carbon-14

Structure of an Atom.

Introduction to the Periodic Table

The Structure of an Atom

Do you know the first 20 elements and their symbol?

Atomic Structure Chemistry.

How to Make a Bohr Model.

Atomic Symbols protons + neutrons = mass # atomic # = protons.

Standard Grade Chemistry Topic 3

Atom, Bohr-Rutherford, and the Periodic Table

Name:__________ Date:_________

How We Know What We Can’t See Looks Like Day 4 Average Atomic Mass

Atomic Symbols protons + neutrons = mass # atomic # = protons.

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

Atomic Structure Nucleons Atomic Number

NUCLEAR PHYSICS The Basics.

Chapter 3 Atomic structure.

More about Elements.

How We Know What We Can’t See Looks Like Day 4 Average Atomic Mass

Atomic Structure An atom is the smallest unit of matter

ATOMS AND ATOMIC STRUCTURE Atom Nucleus Proton Neutron Electron

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

Atomic number Atomic mass.

A simple model of the atom.

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.

Protons, Neutrons and Electrons

Presentation transcript:

STRUCTURE OF ATOM AND NUCLEUS HOW MANY ELECTRONS CAN BE IN A SHELL? HOW ARE THE SHELLS NAMED?

WHAT IS MEANT BY ATOMIC NUMBER AND MASS NUMBER? ATOMIC NUMBER IS NUMBER OF PROTONS – SYMBOL IS ‘A’ MASS NUMBER IS NUMBER OF PROTONS AND NEUTRONS – ‘Z’ WHAT IS MEANT BY NUCLEONS?

IF ATOM UNDERGOES A CHEMICAL CHANGE – THERE IS A CHANGE IN NUMBER OF ELECTRONS IN THE ATOM - ENERGY IS FEW ELECTRON VOLTS NUCLEAR CHANGE – THERE IS A CHANGE IN THE NUMBER OF NUCLEONS INSIDE THE NUCLEUS OF AN ATOM - ENERGY IS FEW MEGA OR MILLION ELECTRON VOLTS (MeV)

ISOTOPES ISOBARS ISOTONES ATOMS OF THE SAME ELEMENT ATOMS OF THE DIFFERENT ELEMENTS ATOMS HAVING same atomic number Z different mass number A same mass number A different atomic number Z different number of protons same number of neutrons WHAT ARE THE TWO KINDS OF ISOTOPES? WHAT HAPPENS WHEN NUMBER OF NEUTRONS EXCEED THE NUMBER OF PROTONS?