Sunday, May 8, 2022

Grade 9, Formulas for Binary Ionic Compounds

 

Dear Grade 9,

1. Click on the link below or copy and paste it into your browser.

https://www.ck12.org/chemistry/formulas-for-binary-ionic-compounds/asmtpractice/Formulas-for-Binary-Ionic-Compounds-Practice/?referrer=featured_content%3Freferrer%3Dconcept_details

2. Practice writing chemical formula and naming the ionic compounds.

3. Write your score in the comment box.


Grade 10,Chemistry Virtual Lab # 1-Activity Series

PURPOSE

 To measure the relative reactivities of selected metallic elements.

Procedure:

Part 1:

1.  Click on the link below or copy and paste it into your browser.

https://teachchemistry.org/classroom-resources/metals-in-aqueous-solutions-simulation


2.  Click on “Activity one: Various solutions”.  Using your mouse:

  1. pick Mg metal and test its reaction in the solutions.Remove the metal. Record your observations .

  2. pick Zn metal and test its reaction in the solutions.Remove the metal. Record your observations .

  3. pick Cu metal and test its reaction in the solutions.Remove the metal. Record your observations.

  4. pick Ag metal and test its reaction in the solutions.Remove the metal. Record your observations.

  5. Arrange the metals inorder of decreasing their activities.


Part 2:

1. Click on “Activity Two: Various solutions”.  Using your mouse:

  1. pick Fe metal and test its reaction in the solutions.Remove the metal. Record your observations.

  2. pick Sn metal and test its reaction in the solutions.Remove the metal. Record your observations.

  3. pick Pb metal and test its reaction in the solutions.Remove the metal. Record your observations .

  4. Pick Ni metal and test its reaction in the solutions.Remove the metal. Record your observations

  5. Arrange the metals inorder of decreasing their activities.

Wednesday, February 5, 2020

Grade 10, Introduction


The mole :
A
measurement of matter.


  Objectives

Convert among the count, mass, and volume of something.

Determine the molar mass of an element and of a compound.

Describe how to convert the mass of a substance to the number of moles of a substance ,and moles to mass.

Convert the volume of a gas at STP to the number of moles of the gas.

Grade10,Mole Carnival





Activity 1: Mole Carnival


Instructions:

-  Click the following link.


https://interactives.ck12.org/simulations/chemistry.html

- Click on  " The Mole Carnival" simulation


- Use the simulation to make mole calculations (30 Min.)

- Take a screenshot of the questions with your answers and send it to:

       adawyaf@yahoo.com







Thursday, January 30, 2020

Grade 9, Atomic Emission Spectra , Introduction



5.3    Atomic Emission Spectra




Grade 9, Activity 1 , Electromagnetic Radiation



The electromagnetic Spectrum


Instructions: 

1- Click on the following website :   

http://www.darvill.clara.net/emag/

2- Read "What is the electromagnetic spectrum" and " How do I remember all this".

3- Download "GCSE foundation worksheet" - You can find it at the bottom of the website.

4- Fill the table in the worksheet by using the information from the website.

5- Send the answered worksheet to adawyaf@yahoo.com


Grade 9,Activity2, Photoelectric Effect


Photoelectric Effect:


- Use the following website to answer the following questions: (10 Min.)



    Note: Send the answers to adawyaf@yahoo.com



Assessment- Atomic Emission Spectra


Assessment ( 7 Min.)

 - Click on " QUICK QUIZ" in the following website and do the assessment.