H H H Isotopes element: same or different mass:

Slides:

Advertisements

Similar presentations

Atomic Mass & Number Isotopes The Periodic Table.

Advertisements

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

Isotopes. Isotopes are atoms that have the same number of protons but different numbers of neutrons Most elements in the first two rows of the periodic.

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

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.

Mass Spectrometer. Atomic Number Atomic number (Z) of an element is the number of protons in the nucleus of each atom of that element. Element# of protonsAtomic.

Atomic Structure.  Atomic number – the number of protons in the nucleus of an atom ( ID of element )  Mass number– sum of protons and neutrons in an.

Section 4.3 How atoms differ. Atomic Number Represents three things in a neutral atom: 1. What element it is 2. The number of protons in each atom 3.

Atomic Structure The Periodic Table, Isotopes, and Average Atomic Mass.

Atoms / Elements Different number of protons Protons found in nucleus # of protons = atomic number Since atom is electrically neutral: #protons = # electrons.

Chapter 3 review With chalkboards. What is this called? z X A.

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

Proton A positively charged subatomic particle (found in the nucleus). A subatomic particle with no charge (found inside the nucleus). Neutron.

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.

Physical Science 513 Unit – Atoms and Elements.

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

4.3 Atomic #, Mass #, Atomic Mass & Isotopes. Atomic Number  What are the 3 subatomic particles?  Which of the subatomic particles identifies an element?

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,

Masses of Atoms.

Isotopes vs. Ions.

Atomic Structure Concepts.

4.2 -Atomic Structure Theory

Atomic Structure Atoms are made of 3 subatomic particles:

ELEMENTS, IONS AND ISOTOPES

1. The concept of positive charge and a small,

Atoms / Elements •Different number of protons

Atomic Structure.

Unit 2: Atomic Theory & Structure

Unit 2: Atomic Theory & Structure

Basic Atomic Structure

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

Atomic Structure Chemistry, Unit 1.

1. The concept of positive charge and a small,

Atomic Structure Walk Around

Openers 10/29-11/2 Physical Science.

Intro to Atomic Structure BR 10/3-4

How do structures of atoms Differ?

H H H Isotopes element: same or different mass:

Isotopes QUICK NOTES Carbon-14

Title: Atomic Properties

Ch. 3 Atoms 3.3 Counting Atoms.

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

Chemistry Unit: Chapter 3

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

Atoms and Subatomic Particles

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 Nucleus- Protons Neutrons Electrons-

Protons & Neutrons.

Isotopes & Ions.

Atomic Number, Mass Number, Atomic Mass and Isotopes

Atomic Math Calculations

Tuesday October 21 How many protons does Sulfur (S) have?

Chapter 3 Atomic structure.

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

Atomic Structure Nucleus Protons Neutrons Electrons.

Atomic number Atomic mass.

Structure of an Atom What is an ATOM??? Pg

Isotopes and Ions.

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.

Atomic Particles Particle Charge Mass (kg) Location Electron -1

Protons, Neutrons and Electrons

Presentation transcript:

H H H Isotopes 1 2 1 3 1 element: same or different mass: # of protons dictates the element element: same or different mass: same or different Isotopes _________: same # of protons, BUT different # of neutrons 1 H 2 1 H 3 1 H protium deuterium tritium

Atomic Symbols = = mass # atomic # number of protons + number of neutrons = mass # atomic # = number of protons * Isotope name

Elements are identified by atomic number (protons). Neutrons Electrons (for a neutral atom) 19 20 S 17 40Ca 14 6 39 K 19 19 33 16 16 16 16 20 20 20 20 20 6 6 8 C 6

Quick (but challenging) Quiz! 1. The number of protons in the nucleus is… the mass number. the atomic number. the same as the number of neutrons. the total of protons and neutrons.

Quick (but challenging) Quiz. 2. The mass number is… the number of protons. the number of neutrons. the total of protons and electrons. the total of protons and neutrons.

Quick (but challenging) Quiz. 3. Isotopes of an element have… the same mass number. different atomic numbers. the same number of protons but different mass numbers. the same number of protons but different numbers of neutrons.

Quick (but challenging) Quiz. 4. How many neutrons are in an atom of potassium–40 ? (40K) (Atomic Number = 19) 19 neutrons 21 neutrons 40 neutrons 59 neutrons