This section will test your knowledge on Physical vs. Chemical Properties of matter.
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2 This section will test your knowledge on Physical vs. Chemical Properties of matter.
3 Below is a list of changes. Select all the changes that have to do with chemical reactions. Bubbling/ Fizzing Creation of light Melting Dissolving Changes in temperature on their own Color with Dyes Formation of a Precipitate Breaking
4 Below is a list of changes, name all the changes that have to do with chemical reactions. Bubbling/ Fizzing Creation of light Melting Dissolving Changes in temperature on their own Color with Dyes Formation of a Precipitate Breaking
5 A characteristic of a pure substance is that all pure substances A. Cannot be separated by physical means. B. Can be separated by physical means. C. Can be separated by using filters. D. Cannot be separated chemically.
6 A characteristic of a pure substance is that all pure substances A. Cannot be separated by physical means. B. Can be separated by physical means. C. Can be separated by using filters. D. Cannot be separated chemically.
7 Evaporation, condensing, vaporizing, solidifying, melting, and freezing are all examples of what? MORE THAN ONE ANSWER MAY BE CORRECT. A. matter being lost B. physical changes C. chemical properties D. changes in state.
8 Evaporation, condensing, vaporizing, solidifying, melting, and freezing are all examples of what? MORE THAN ONE ANSWER MAY BE CORRECT. A. matter being lost B. physical changes C. chemical properties D. changes in state.
9 This section tests you on your knowledge of the organization of the periodic table.
10 Which statement is true about the modern periodic table? A) A period is a complete horizontal row of elements of similar chemical character. B) Elements behave in the same way when the outer shell contains the same number of electrons. C) About 1/4 of the elements are metals. D) A group is a vertical column of very different elements.
11 Which statement is true about the modern periodic table? A) A period is a complete horizontal row of elements of similar chemical character. B) Elements behave about the same when the outer shell contains the same number of electrons. C) About 1/4 of the elements are metals. D) A group is a vertical column of very different elements.
12 Elements in the same group or family have what in common? (MORE THAN 1 ANSWER MAY BE CORRECT) A) Atomic structure B) Valence Electrons C) Similar Chemical properties D) Protons E) Orbitals
13 Elements in the same group or family have what in common? (MORE THAN 1 ANSWER MAY BE CORRECT) A) Atomic structure B) Valence Electrons C) Similar Chemical properties D) Protons E) Orbitals
14 The following observations were made about 4 mystery elements. Which element is most likely a Halogen? ELEMENT W Has 1 valence electron and is a highly reactive metal. ELEMENT X Has 3 valence electrons and is a semiconductor. ELEMENT Y Has 7 valence electrons and is a highly reactive non-metal. ELEMENT Z Has 8 valence electrons and is a nonreactive non-metal.
15 The following observations were made about 4 mystery elements. Which element is most likely a Halogen? ELEMENT W Has 1 valence electron and is a highly reactive metal. ELEMENT X Has 3 valence electrons and is a semiconductor. ELEMENT Y Has 7 valence electrons and is a highly reactive non-metal. ELEMENT Z Has 8 valence electrons and is a nonreactive non-metal.
16 If I wanted to find an element that is chemically nonreactive, in which group of the periodic table would I look? A. Group 1 B. Group 2 C. Group 17 D. Group 18 BONUS: ½ point per group you can name.
17 If I wanted to find an element that is chemically nonreactive, in which group of the periodic table would I look? A. Group 1 (Alkali Metals) B. Group 2 (Alkaline Earth Metals) C. Group 17 (Halogens) D. Group 18 (Noble Gases) BONUS: ½ point per group you can name.
18 Which of the following is likely to be an Alkali Metal? A) A metal good at holding its shape under stress. B) An easily-corroded, silvery solid that fizzes in water. C) An unreactive colorless gas. D) A very toxic and reactive green gas.
19 Which of the following is likely to be an Alkali Metal? A) A metal good at holding its shape under stress B) An easily-corroded, silvery solid that fizzes in water C) An unreactive colorless gas D) A very toxic and reactive green gas
20 The Halogen non-metals are all in the same group of the Periodic Table because they all A) have seven electrons in the outer shell. B) react rapidly with hydrogen by sharing one electron. C) form covalent compounds with any metals. D) have the same number of orbitals.
21 The Halogen non-metals are all in the same group of the Periodic Table because they all A) have seven electrons in the outer shell. B) react rapidly with hydrogen by sharing one electron. C) form covalent compounds with any metals. D) have the same number of orbitals.
22 This section will test your knowledge of atomic structure.
23 Four electron arrangements are given below. Which is an Alkali Metal? a) 2,8,8 b) 2,7 c) 2,8,8,1 d) 2,5
24 Four electron arrangements are given below. Which is an Alkali Metal? a) 2,8,8 b) 2,7 c) 2,8,8,1 d) 2,5
25 No two elements have the same amount of A. Protons B. Neutrons C. Valence Electrons D. Atoms
26 No two elements have the same amount of A. Protons B. Neutrons C. Valence Electrons D. Atoms
27 Which of the following is true about atomic structure? A. The electron cloud takes up the greatest amount of space in an atom. B. The Nucleus makes up most of the mass of the atom, holding the protons and electrons. C. The Neutrons are negatively changed. D. The electrons are the smallest subatomic particle found in the nucleus.
28 Which of the following is true about atomic structure? A. The electron cloud takes up the greatest amount of space in an atom. B. The Nucleus makes up most of the mass of the atom, holding the protons and electrons. C. The Neutrons are negatively changed. D. The electrons are the smallest subatomic particle found in the nucleus.
29 LAW OF CONSERVATION OF MASS.
30 How can we tell when a chemical reaction supports the law of conservation of mass? A. When the compounds we start with are the same as the compounds we end with. B. When the matter we start with is more numerous than the matter we end with. C. When the atoms we start with are the same type and amount as the atoms we end with. D. When we get more matter at the end than we had at the beginning.
31 How can we tell when a chemical reaction supports the law of conservation of mass? A. When the compounds we start with are the same as the compounds we end with. B. When the matter we start with is more numerous than the matter we end with. C. When the atoms we start with are the same type and amount as the atoms we end with. D. When we get more matter at the end than we had at the beginning.
32 Josh is running an experiment in a closed system. He starts with 300g of substance A and mixes 50g of Substance B. Substance B dissolves into substance A. To finish the experiment he adds in one 5g tablet to the mixture. A gas forms and is collected. What is the total ending mass of his experiment? A. 350g B. 250g C. 300g D. 355g
33 Josh is running an experiment in a closed system. He starts with 300g of substance A and mixes 50g of Substance B. Substance B dissolves into substance A. To finish the experiment he adds in one 5g tablet to the mixture. A gas forms and is collected. What is the total ending mass of his experiment? A. 350g B. 250g C. 300g D. 355g
34 This section will test your knowledge of Pure Substances and Mixtures.
35 Which of the following is a homogeneous mixture? A. Milk B. A box of Legos C. Sugar D. Cookie dough ice cream
36 Which of the following is a homogeneous mixture? A. Milk B. A box of Legos C. Sugar D. Cookie dough ice cream
37 Which of the following is NOT an example of a diatomic molecule? A. I₂ B. SO₂ C. Cl₂ D. H₂
38 Which of the following is NOT an example of a diatomic molecule? A. I₂ B. SO₂ C. Cl₂ D. H₂
39 Which of the following is true about compounds? A. All compounds are pure substances B. All pure substances are compounds C. All compounds are mixtures D. All mixtures are compounds
40 Which of the following is true about compounds? A. All compounds are pure substances B. All pure substances are compounds C. All compounds are mixtures D. All mixtures are compounds
41 The chemical combination of element A and element B would result in A. An atom AB B. An element AB C. A compound AB D. A molecule AB
42 The chemical combination of element A and element B would result in A. An atom AB B. An element AB C. A compound AB D. A molecule AB
43 Identify the charge that atoms always have? A. They are always positively charged B. They are always negatively charged C. They are always neutrally charged D. They can be positively charged, negatively charged, or neutrally charged
44 Identify the charge that atoms always have? A. They are always positively charged B. They are always negatively charged C. They are always neutrally charged D. They can be positively charged, negatively charged, or neutrally charged
45 H₂, N₂, and O₂ are all examples of? A. Diatomic molecules B. Ions C. Liquids D. Compounds
46 H₂, N₂, and O₂ are all examples of? A. Diatomic molecules B. Ions C. Liquids D. Compounds
47 Identify the difference between elements and compounds. A. Elements contain more than one kind of atom, while compounds contain only one type of atom. B. Elements can only be separated by physical means, while compounds cannot. C. Elements contain only one type of atom, while compounds contain more than one type of atom. D. Elements are acids, while compounds are always bases.
48 Identify the difference between elements and compounds. A. Elements contain more than one kind of atom, while compounds contain only one type of atom. B. Elements can only be separated by physical means, while compounds cannot. C. Elements contain only one type of atom, while compounds contain more than one type of atom. D. Elements are acids, while compounds are always bases.
49 Explain how you can predict an element s physical and chemical properties by its placement on the periodic table. Write neatly, put QE Review Bonus at the top, and turn in with your name/core/date on the day of the Quarterly Exam for extra credit!
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