Warmup: Concept: PS-2.2 Atomic number, Mass number, Element name.

Slides:

Advertisements

Similar presentations

4.3: HOW ATOMS DIFFER ATOMIC NUMBER

Advertisements

Mr. Olivas thinks this is him. I don’t get it!. * Smallest part of an element * Has all the properties of the element.

Atomic Number, Mass Number, Atomic Mass and Isotopes Mrs. Coyle Chemistry.

Solving atomic calculations: Working with: – Elements – Isotopes – Ions – Atomic # – Atomic mass – Charge.

Atomic Structure Section The Nucleus Nucleus- contains most of the mass of an atom – Protons & Neutrons contains most of an atom’s mass – Electrons-

17.2 Masses of Atoms. Atomic Mass The nucleus contains most of the mass of the atom bc P and N are far more massive than E. P & N are about the same size.

Atomic Structure Nucleus – contains protons and neutrons

Atomic Mass & Number Isotopes The Periodic Table.

The Atom & the Periodic Table. Reading the Periodic Table.

 Proton  Neutron  Electron Positive Charge Mass of 1 atomic mass unit (amu) Found in the nucleus Equal to the atomic Number Determines the element.

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

Periodic Table - Lesson 3 - Atomic Number vs. Atomic Mass.

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

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

11 12 Sodium Atomic number = Mass Number = p+p+ n protons & neutrons 12 neutrons In a neutral sodium atom the number of protons (11)

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

Warmup: Concept: PS-2.2 Atomic number, Mass number, Element name.

Bohr Diagrams. # protons = Bohr Diagrams # protons = atomic number.

Element Box page 7 Si Silicon 14 Atomic number Chemical Symbol

Atomic Structure and Types of Atoms. The nucleus of an atom contains protons and neutrons that together make up nearly all of an atom’s mass. The only.

The Atom 1.Parts of the atom 2.How to draw an atom.

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

Made to Order Lab Manual pages Data Table Hydrogen -1 Hydrogen -2 Helium-3Helium-4Litium-7Beryllium -9 Beryllium -10 No. of Protons No. of neutrons.

 Atomic Number- the number of protons in the nucleus of an atom of that element  Ex: Hydrogen atoms have only one proton in the nucleus, so the atomic.

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.

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

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)

Structure of Atoms. Originally scientists thought that atoms could not be split into anything smaller. We now know that atoms are made up of smaller particles.

ATOM NEUTRONS Charge: none Mass: 1 amu Location: nucleus ELECTRONS Charge: negative Mass: zero Location: electron cloud PROTONS Charge: positive Mass:

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.

Atomic Mass. Masses in amu Only carbon-12 has an atomic mass exactly equal to its mass # One atomic mass unit (amu) is defined as 1/12 the mass of a carbon-12.

Question One Contrast the size of a atom with the size of a flea?

Drawing a Bohr-Rutherford Diagram. History Ernest Rutherford discovered that atoms contained a small dense positively charged nucleus surrounded by negatively.

Living By Chemistry SECOND EDITION Unit 1: ALCHEMY Matter, Atomic Structure, and Bonding.

Isotopes and Mass Number. Isotope Atoms of the same element with: Same number of protons BUT Different number of neutrons ELEMENT IS TO ISOTOPE AS DOG.

SECTION 14-3 WHAT IS ATOMIC NUMBER?. ATOMIC NUMBER Atoms of different elements have different number of protons. This number is called the atomic number.

LEARNING ABOUT ATOMS BY READING THE PERIODIC TABLE.

Reading the Periodic Table: Element Squares. Atomic Structure Nucleus Electron Cloud.

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. Atomic mass Most of the mass of an atom is in the nucleus. Most of the mass of an atom is in the nucleus. The nucleus is where all of the.

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.

Chapter 3 Isotopes Part II. Atoms Nucleus is center core. Nucleus is center core. Nucleus is made of Protons & Neutrons. Nucleus is made of Protons &

The Structure of an Atom

Chapter 8 Earth Chemistry Part – Atomic Number  An atom of a specific element is different from other elements by the number of protons it has.

Intro to Atomic Structure

1 What is an atomic number and an atomic mass?. 2 Elements and Atomic Number The atoms of different elements have different numbers of protons. The atoms.

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

Calculating Atomic Mass

Atomic Structure I. Subatomic Particles C. Johannesson.

Subatomic Particles.

A B 21085At Fe Mo 5827Co 3216S Pb4+ Symbol

Elements & The Element Square

The Atom Friday, September 11th, 2015.

INTRODUCTION TO ATOMS CHAPTER 3 section 1.

Foldables: Atoms Terms.

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

The Atom Friday, September 22nd, 2016.

Isotopes Atoms with SAME number of PROTONS (atomic number) but DIFFERENT numbers of neutrons (i.e. mass number) 6 protons 6 neutrons 6 protons 7 neutrons.

1. What are these two atoms of carbon called?

1. What are these two atoms of carbon called?

Find the average of the following numbers…

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:

Warmup: Concept: PS-2.2 Atomic number, Mass number, Element name

The diagram below illustrates an atom. 1.Name the element this atom diagram represents. 2.What is the atomic number of this element? 3.What is the mass number of this atom?

The diagram below illustrates an atom. 1.Name the element this atom diagram represents. Beryllium- The name of the element is determined by the number of Protons. 2.What is the atomic number of this element? 4 The atomic number is equal to the number of Protons. 3.What is the mass number of this atom? 7AMU The mass number for an atom is equal to the total number of Protons and Neutrons in the nucleus.