Smells 1 and 2 Review.

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Presentation transcript:

Smells 1 and 2 Review

How would you expect the following molecule to smell? butyric acid C4H8O2 Minty B. Sweet C. Putrid D. Fishy Answer: Putrid

How would you expect the following molecule to smell? ethyl pentanoate C7H14O2 Minty B. Sweet C. Putrid D. Fishy Answer: Sweet

How would you expect the following molecule to smell? Octyl formaline C7H13N Minty B. Sweet C. Putrid D. Fishy Answer: Fishy

How would you expect the following molecule to smell? Pulgone C5H10O Minty B. Sweet C. Putrid D. Fishy Answer: Minty

Which of the following is NOT a molecule? HBr B. KF C. CH4 D. NH3 Answer: KF, potassium is a metal

Which of the following IS considered a molecule? NaCl B. TiO2 C. CaO D. PF3 Answer: PF3, all nonmetals

What type of elements are molecules composed of? Only metals B. Only metalloids C. Only non-metals D. Metals and non-metals Answer: only non-metals

Which molecule is a REACTANT in the chemical equation shown: CH2O2 + C8H18O  H2O + C9H18O2 D. Both C8H18O and H2O Answer: A

Which molecule is a PRODUCT in the chemical equation shown: CH2O2 + C8H18O  H2O + C9H18O2 C. CH2O2 D. Both C8H18O and CH2O2 Answer: B

Which is the best description of the products in a chemical equation? The molecules before any reaction occurs The starting ingredients C. The molecules during a chemical reaction D. The molecules after a reaction has occurred Answer: D

What is an isomer? Answer: B Molecules with the same structure but different molecular formula Molecules with a different structure but the same molecular formula C. Molecules with the same structure and molecular formula D. Molecules with a different structure and molecular formula Answer: B

Which molecules have the same structure? Answer: D Molecule 1 and 2 B. Molecule 3 and 4 C. Molecule 4 and 1 D. Molecules 1, 3 and 5

What functional group is present in the molecule below? Ketone B. Ester C. Amine D. Carboxylic Acid E. Alcohol

What functional group is present in the molecule below? Ketone B. Ester C. Amine D. Carboxylic Acid E. Alcohol

What functional group is present in the molecule below? Ketone B. Ester C. Amine D. Carboxylic Acid E. Alcohol

What functional group is present in the molecule below? Ketone B. Ester C. Amine D. Carboxylic Acid E. Alcohol

What functional group is present in the molecule below? Answer: E Ketone B. Ester C. Amine D. Carboxylic Acid E. Alcohol

How many valence electrons does bromine have? 4 5 6 7 8 Answer: D

How many bonds can bromine make when you draw the Lewis dot symbol? 1 2 3 4 5 Answer: A

How many lone pairs of electrons does bromine have? 1 2 3 4 5 Answer: C

How many valence electrons does arsenic (As) have? 4 5 6 7 8 Answer: B

How many bonds can an arsenic atom make? 1 2 3 4 5 Answer: C

How many lone pairs of electrons does arsenic have? 1 2 3 4 5 Answer: A

What molecular shape would H2S have What molecular shape would H2S have? (Draw the Lewis dot structure to help) Tetrahedral Pyramidal Bent Linear Point Answer: C

What molecular shape would NBr3 have What molecular shape would NBr3 have? (Draw the Lewis dot structure to help) Tetrahedral Pyramidal Bent Linear Point Answer: B

What molecular shape would HF have What molecular shape would HF have? (Draw the Lewis dot structure to help) Tetrahedral Pyramidal Bent Linear Point Answer: D

What molecular shape would SiF4 have What molecular shape would SiF4 have? (Draw the Lewis dot structure to help) Tetrahedral Pyramidal Bent Linear Point Answer: A

What molecular shape would Kr have What molecular shape would Kr have? (Draw the Lewis dot structure to help) Tetrahedral Pyramidal Bent Linear Point Answer: E

How many electrons are in a single covalent bond? 1 2 3 4 6 Answer: B

How many electrons are in a triple covalent bond? 1 2 3 4 6 Answer: E

How many electrons are in a double covalent bond? 1 2 3 4 6 Answer: D