D. Subatomic Particle & the Nuclear Atom 1.Nucleus contains positively charged protons and neutral neutrons VERY dense! If a nucleus were the size of the.

Slides:

Advertisements

Similar presentations

Reviewing Subatomic Particles

Advertisements

4.3: HOW ATOMS DIFFER ATOMIC NUMBER

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.

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.

The Periodic Table. Define the following terms. 1. proton 2. neutron 3. electron 4. nucleus.

DO NOW: Answer the following questions 1. What are the subatomic particles? 2. Where are each subatomic particle located? 3. What is the charge associated.

Atomic Structure.

The Atom & Subatomic Particles

Atoms Atomic Mass/Number Ions/Charges of Molecules Isotopes/Perc ent Abundance

Components of the Atom Nucleus: Nuclear Forces:

Chapter 4 Review “Atomic Structure”

Atomic Structure I. Subatomic Particles.

Mass Number Atomic Number equals the # of... NUCLEUS ELECTRONS PROTONS NEUTRONS NEGATIVE CHARGE POSITIVE CHARGE NEUTRAL CHARGE ATOM.

Atomic Theory Atoms are incredibly small!

Atomic Structure.

Chapter 5 Review. Atomic Theory/Scientists Who was the first person to theorize the existence of the atom in 400 BC? Who was the first person to theorize.

How Atoms Differ.

Ions An atom that carries an electrical charge is called an ion If the atom loses electrons, the atom becomes positively charged (because the number of.

The Parts of an Atom.

STRUCTURE OF THE ATOM.

Warmup: Concept: PS-2.1 Compare the subatomic particles.

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

Atomic Structure & Isotpes Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

+ Chapter 4 Review. + Vocabulary Review! Matter Anything that has mass and takes up space.

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

The Structure of the Atom. Subatomic particles Subatomic particles are particles that are smaller than an atom Rutherford had predicted three subatomic.

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.

Proton, Neutron, Electron Counting Protons (p + ) are positively charged and located in the nucleus The number of protons in each atom can be found on.

Atom Review 1.What are the 3 subatomic particles? 2.What atom is the amu based on? 3. What is located in the nucleus of the atom? 4. What is the nuclear.

The Structure of an Atom Chapter 4.2. Warm-up: KWL Chart - ATOMS What I Know About Atoms What I Would Like to Learn About Atoms What I Have Learned About.

Chapter 4 Atomic Structure. Atom Atom – smallest part of an element that retains the properties of that element. Atomic Theory – proposed by John Dalton.

Atomic Structure Test Review 166 point total. 1.The atomic number is the number of protons. 2. The mass number is the number of protons and neutrons.

Matter – Properties and Changes Chemistry – the study of matter and energy What is Matter?? What isn’t Matter??

Unit 3: Atomic Structure. A. Subatomic Particles Most of the atom’s mass (Mass Number) NUCLEUS ELECTRON CLOUD PROTONS NEUTRONS ELECTRONS POSITIVE CHARGE.

How Atoms Differ. a. Properties of Subatomic Particles ParticleSymbolLocationRelative Charge Relative mass Actual mass (g) Electron Proton Neutron.

6.2 – Atomic Theory Science 10 Mr. Francis. Atoms are made of component particles called subatomic particles: protons, neutrons, and electrons. Atoms.

Structure of an Atom. The Three subatomic particles of an atom: Proton Neutron Electron.

Modified by M. Sparks Atomic Structure Atomic Mass/Number Ions/Charges of Molecules Isotopes/Perc ent Abundance

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

Atomic Models and Quantum Theory Review Atomic Models Subatomic Particles IsotopesStructure of the Atom

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.

Subatomic Particle SymbolChargeMass (amu) Where is it found? Atomic mass unit (AMU)- the SI unit used to express the mass of the particles in an atom.

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.

Parts of the Atom: Properties  Protons: –Positive charge –Located in nucleus –Mass = 1 amu (Atomic Mass Unit)  Neutrons –No charge (neutral) –Inside.

Notes on Isotopes Remember Protons are (+) and Electrons are (-). Neutrons were the last subatomic particles to be discovered because they have no electrical.

CP Chemistry Chapter 8 Atomic Theory Subatomic Particles Protons Protons Neutrons Neutrons Electrons Electrons.

ELECTRONS. Review Electrons were discovered by ______________ Electrons have a ___________ charge Electrons are located…. Outside of the nucleus in an.

Subatomic Particles protons, neutrons and electrons.

Atoms and Elements. Subatomic Particles Atom- Smallest particle of an element. Subatomic Particles- Atoms are composed of protons, neutrons, and electrons.

 Atom – the smallest particle of an element that retains the properties of that element.  When we say “small,” we mean “SMALL!”  A typical copper penny.

1 Isotopes & Ions. What’s in an atom of a given element? An atom has three subatomic particles: Proton = positive (+) charge Neutron = no charge Electron.

Atomic Structure Review Which of the following is NOT true about electrons? a) They have a negative charge b) They are the heaviest subatomic particle.

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

1 The Atom Atomic Number and Mass Number Isotopes.

Parts of the Atom.

Atomic Structure Subatomic Particles C. Johannesson.

Atomic Theory Review Game

Foldables: Atoms Terms.

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

Chemistry Unit Two, Day One.

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

Atomic Structure Nucleons Atomic Number

Ch. 4 - Atomic Structure II. Masses of Atoms Mass Number Isotopes

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.

Counting Subatomic Particles

Presentation transcript:

D. Subatomic Particle & the Nuclear Atom 1.Nucleus contains positively charged protons and neutral neutrons VERY dense! If a nucleus were the size of the dot in the exclamation point at the end of this sentence, its mass would be approximately as much as that of 70 automobiles!

D. Subatomic Particle & the Nuclear Atom 2. Protons (discovered by Rutherford) Carries a charge of 1+, equal but opposite that of an electron Mass = x g (1800x’s more than electron) Referred to as atomic number Found in nucleus Atomic number = number of protons = number of electrons

D. Subatomic Particle & the Nuclear Atom 3. Neutrons (discovered by Chadwick) No Charge Mass = x g Found in nucleus Number of neutrons = mass number – atomic number

D. Subatomic Particle & the Nuclear Atom 4. Electrons (discovered by Thomson) Negative charge (1-) Relative mass is 1/1840 amu (actual mass is 9.115x10-28 g). Located in the space surrounding the nucleus number of protons = number of electrons What is not neutral? What is a charged atom called? ion

D. Subatomic Particle & the Nuclear Atom Sodium? Protons? Na = 11 protons (+11) + (-10) = +1 charge Na 1 + What if it has 10 electrons?

D. Subatomic Particle & the Nuclear Atom 5. Atomic number Refers to the number of protons Determines the elements position on the periodic table

D. Subatomic Particle & the Nuclear Atom All atoms of a particular element have the same number of protons and electrons, but neutrons may differ these types of elements are called Isotopes. 6. Isotopes and Mass Number The sum of the number of protons and neutron is the Mass Number. Mass number = protons + neutrons

D. Subatomic Particle & the Nuclear Atom The atomic mass of an element is the weighted average mass of the isotopes of that element. 6. Isotopes and Mass Number

D. Subatomic Particle & the Nuclear Atom H = 1 amu Relative masses, assigned by Dalton O = 16 amu 6. Isotopes and Mass Number

D. Subatomic Particle & the Nuclear Atom 20 Mass # Atomic # 19 K K K 41 Neutrons? % = ?g % = ?g0.127% = ?g Abundance of isotope?

D. Subatomic Particle & the Nuclear Atom 93.25% = ?g g % = ?g g 0.127% = ?g.05207g g g g=