Garside Spring 2012. Discussion Regarding Reactions Lab You need to remember your 7 Diatomic Elements! Be sure to put brackets around your polyatomic.

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Presentation transcript:

Garside Spring 2012

Discussion Regarding Reactions Lab You need to remember your 7 Diatomic Elements! Be sure to put brackets around your polyatomic ions when in a compound – Example: Mg(OH) 2 You do not need to use the crisscross rule for molecular formulas!! Remember – covalent bonds! Remember to include roman numerals in the names of multivalent compounds

What Will I Be Given on Friday? What Will I Need to Memorize? Polyatomic Chart (Table 3) The 7 Diatomic Elements Solubility Chart Periodic Table

Instructions: Write your answers to the following questions on a lined piece of paper. You can use ALL of your notes to help you. After every 10 questions, I will post the answers. You will have an opportunity to mark / correct your work before we move on to the next 10. We will only go through one round TODAY Once the activities are over, you will have an opportunity to choose a worksheet or textbook questions to work on for the remainder of the period based on your needs.

ROUND 1: Ready?? Set?? Go!!!!!!

Question #1 How many atoms are found in [ 2 MgCO 3 ] ? Question #2 List the 7 Diatomic Elements

Question #3 Write the formula for hydrobromic acid Question #4 What are the reactants and products of every neutralization reaction?

Question #5 What is the opposite reaction of Decomposition? Question #6 Name the 6 different types of chemical reactions

Question #7 Write the balanced equation, including states, for the following: When HBr reacts with Mg(OH) 2, a neutralization reaction occurs

Question #8 What gases are the main causes of acid precipitation? Question #9 What are the products of every combustion of hydrocarbon reaction?

Question #10 What ion charge does permanganate have?

Answers to Round 1: 1.10 atoms 2. Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, Iodide 3. HBr 4. Reactants = Acid and Base Products = Salt and Water 5. Opposite of Decomposition is Synthesis 6. Synthesis, Decomposition, Single Displacement, Double Displacement, Combustion of hydrocarbon, combustion of metals or non-metals

Answers to Round 1: 7. 2 HBr (g) + Mg(OH)2 (s)  MgBr2 (s) + 2 H2O (l) 8. The two main gases are sulphur dioxide and any nitrogen oxide in the atmosphere 9. Carbon dioxide and water 10. Permanganate (MnO4) has an ion charge of 1-

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