do now what is represented by the dots in a lewis electron-dot diagram of an atom of an element in...

Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1. the number of neutrons in the atom 2. the number of protons in the atom 3. the number of valence electrons in the atom 4. the total number of electrons in the atom

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Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table?

1. the number of neutrons in the atom

2. the number of protons in the atom

3. the number of valence electrons in the atom

4. the total number of electrons in the atom

Page 2: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Periodicity, Part 5WILLIAMSBURG HIGH SCHOOL FOR ARCHITECTURE AND DESIGN

MR. QUINN AND MS. TOM

11/1/13

Page 3: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Aim What is the difference between metals, metalloids, and nonmetals?

Page 4: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

What are metals, anyway?1. Something with metallic properties2. Most elements

Page 5: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

What are some properties of metals?

Page 6: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

A Proper Definition “A metal is a collection of atoms held together in a sea of loosely-held electrons.”

Page 7: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

And the Rest… Non-metals are elements lacking metallic properties Metalloids are somewhere in between Look at your handout!

Page 8: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Page 9: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Building the Periodic Table

Page 10: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Regents Practice #1 An element that has a low first ionization energy and good conductivity of heat and electricity is classified as a

1. metal

2. Metalloid

3. Nonmetal

4. noble gas

Page 11: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Regents Practice #2 What are two properties of most nonmetals?1. high ionization energy and poor electrical conductivity2. high ionization energy and good electrical conductivity3. low ionization energy and poor electrical conductivity4. low ionization energy and good electrical conductivity

Page 12: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Regents Practice #3 Which Group 14 element is a metalloid?1. Tin2. Silicon3. Lead4. carbon

Page 13: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Regents Practice #4 A solid element that is malleable, a good conductor of electricity, and reacts with oxygen is classified as a

1. Metal

2. Metalloid

3. noble gas

4. nonmetal

Page 14: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Regents Practice #5 At STP, which element is solid, brittle, and a poor conductor of electricity?1. Al2. K3. Ne4. S

Page 15: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Regents Practice #6 Which element has both metallic and nonmetallic properties?

1. Rb

2. Rn

3. Si

4. Sr

Page 16: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Regents Practice #7 Which elements are malleable and good conductors of electricity?

1. iodine and silver

2. iodine and xenon

3. tin and silver

4. tin and xenon

Page 17: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Regents Practice #8 Which element has chemical properties that are most similar to the chemical properties of fluorine?1. Boron2. Chlorine3. Neon4. oxygen

Page 18: Do Now What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table? 1.the number of neutrons

Everybody Writes A scientist finds an element that exists as a soft solid that she can flatten between her fingers. It conducts electricity well and reacts with Group 17 elements by giving up electrons. She classifies it as a Group 14 element. Is she correct? Defend your answer.

The Atom Atomic Number and Mass Number Isotopes. Three fundamental parts of an atom are: protons electrons neutrons Structure of the atom is: protons

Warm Up9-11-15 1. 1. When will light (photon) emit from an atom? 2. 2. Protons, Neutrons, and Electrons for 195 Au 3. 3. An atom has 14 neutrons and 19

History of the Atom & the Periodic Table. Parts of the Atom Protons = positive charge Neutrons = no charge Electrons = negative charge Nucleus = both

Every atom has a certain number of protons, neutrons, and electrons

Build an Atom PhET Simulation Answer ... - … an Atom PhET... · What is the name of the following atoms? a. An atom with 3 protons and 4 neutrons: b. An atom with 2 protons and

Chemistry Review. The atom Protons, electrons,neutrons

Inside the atom…. There is the nucleus The nucleus has protons and neutrons The protons have a positive electrical charge And the neutrons don’t have

2728 Build an Atom Activity Starter Practice Application/ Connection Exit Sep 11, 2013 Bulid an Atom Activity Draw an atom with 4 protons, 5 neutrons,

Chapter 7 Electricity. An atom is the basic unit of matter and is made of protons, neutrons, & electrons – protons: + charge – electrons: - charge – neutrons:

Biochemistry The Atom Smallest unit of an ____________ Three particles –Protons (___ charge) –Neutrons (__ charge) –Electrons (__ charge) _________

P rotons, electrons, and neutrons Protons – ____________ charged particles of an atom. Protons – ____________ charged particles of an atom. _____________

{ Distinguishing Among Atoms The Atom. Atoms are composed of protons, neutrons, and electrons. Protons and neutrons make up the nucleus. Electrons