AR Time

until 10:29

1

Student Planner Place this in the proper place

Work on essential Elements

Needed today in class:Planner, pencil, notes, periodic table, period 2 AR book

2

End PlannerEntries

REVIEW OF LAST CLASS

January 30th

Summary: We had a standard opening. We went over Essential Element worksheet, took notes, signed up for Superhero element.

Answer the last class’s EQ which was:

Essential Question:Essential Question:Identify characteristics of essential Identify characteristics of essential elements.elements...

Topic/Objective:Topic/Objective: Name:

ElectronsClass/Period:

Date:

Feb 2, 2015

Essential QuestionEssential Question: Identify traits of : Identify traits of electronselectrons

Warm Up

1. Which of the following best describes an atom?

A protons and electrons grouped together in a random pattern B protons and electrons grouped together in an alternating pattern C a core of protons and neutrons surrounded by electrons D a core of electrons and neutrons surrounded by protons

2. Which of the following is found farthest from the center of an atom?

A)nucleus

B) proton

C) neutron

D) electron

3. What is the name of the indicated atom in the acetic acid molecule shown below?

A) carbon

B) calcium

C) chromium

D) copper

CH3 C O H

O

4. Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide?

A) I and O

B) Ir and O

C) Fe and O

D) Pb and O

Answers

1. Which of the following best describes an atom?

A protons and electrons grouped together in a random pattern B protons and electrons grouped together in an alternating pattern C a core of protons and neutrons surrounded by electrons D a core of electrons and neutrons surrounded by protons

1. Which of the following best describes an atom?

A protons and electrons grouped together in a random pattern B protons and electrons grouped together in an alternating pattern C a core of protons and neutrons surrounded by electrons D a core of electrons and neutrons surrounded by protons

2. Which of the following is found farthest from the center of an atom?

A)nucleus

B) proton

C) neutron

D) electron

2. Which of the following is found farthest from the center of an atom?

A)nucleus

B) proton

C) neutron

D) electron

3. What is the name of the indicated atom in the acetic acid molecule shown below?

A) carbon

B) calcium

C) chromium

D) copper

CH3 C O H

O

3. What is the name of the indicated atom in the acetic acid molecule shown below?

A) carbon

B) calcium

C) chromium

D) copper

CH3 C O H

O

4. Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide?

A) I and O

B) Ir and O

C) Fe and O

D) Pb and O

4. Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide?

A) I and O

B) Ir and O

C) Fe and O

D) Pb and O

Today’s Homework Past due material: Cover sheet, Periodic table, planners, vocab quizzes

Work on Essential Elements, Atomic Superhero.

Atom of the day

Element: MolybdenumProtons: 42Neutrons: 56Electrons: 42Electron configuration: 2, 8, 18, 13, 1Atomic Number: 42Symbol: MoMost common Isotope: 98Mo

56

42

TodayNotesEssential Element information chart – completeLab demonstration – ElectronsVideo

TuesdayJanuary 25

1219Standard: 7 Periodic Table

Periodic Table

II. Groups have similar properties.

Group 1: Alkali Metals-Most reactive metals and the least dense metals –Floats on water

Group 2: Alkaline Earth Metals-very reactive also but not as much as group 1

Group 3-12: Transition metals-very dense

TuesdayJanuary 25

1219Standard: 7 Periodic Table

Periodic Table

Group 17 Halogens –very reactive non metals.

Group 18- Noble gases (inert gases)- unreactive nonmetals

TuesdayJanuary 25

1219Standard: 7 Periodic Table

Periodic Table

I. Similar Properties

• Periods –Elements across the table. (left to right)

TuesdayJanuary 25

1219Standard: 7 Periodic Table

Periodic Table

I. Similar Properties

• Periods –Elements across the table. (left to right)

• Groups or Families –Elements in a column (top to bottom)

Essential Element Chart: 1. Use your periodic table to find all the information you can. 2 Calculate Neutron number by subtracting Atomic Number from Atomic Mass.