1. Chemistry CBA Review

2. 1. How many total atoms are in AgCl3Cu2?4 5 6 7

3. 2. How are elements organized on the periodic table?
Metals on left, Nonmetals on right
Nonmetals on left, Metals on right
Gases on left
Metalloids in groups 3-12

4. 3. Covalent bonds involve…
Transfer of electrons
Really strong forces
Creation of ions
Sharing of electrons

5. 4. Which tool best measures the mass of a liquid?
Graduated cylinder
Scale
Metric ruler
Triple-beam balance

6. 5. Which property of a baseball would be different on the moon?
Volume
Weight
Mass
Density

7. 6. Which of the following describes only a physical change?
An iron tool turning red due to rust
A leaf in the fall turning yellow as photosynthesis stops
A snowball melting in someone’s hand
A piece of wood turning black in a fire

8. 7. Which of the following is not a mixture?
Water
Air
Lemonade
Pool water

9. 8. Which of the following is NOT a property of a metal?
Solid at room temperature
Ductility
Malleability
Good insulator

10. 9. If 100 grams of H2O decomposes into hydrogen and oxygen, which of the following must be true?
There will be 50 grams of hydrogen and 40 grams of oxygen
There will be 50 grams of hydrogen and 50 grams of oxygen
There will be 25 grams of hydrogen and 25 grams of oxygen
There will be 40 grams of hydrogen and 50 grams of oxygen

11. 10. An element’s mass number is the number of ___________ in its atoms.
Protons and electrons
Electrons and neutrons
Protons only
Protons and neutrons

12. 11. The part of an experiment that the scientist manipulates is the…
Independent Variable
Dependent Variable
Constant Variable
Control Group

13. 12. The part of an experiment that the scientist measures is…
Independent Variable
Dependent Variable
Constant Variable
Control Group

14. 13. The part of an experiment that the scientist uses for comparison is…
Independent Variable
Dependent Variable
Constant Variable
Control Group

15. 14. The part of an experiment that the scientist keeps consistent for all is…
Independent Variable
Dependent Variable
Constant Variable
Control Group

16. Element Compound Molecule Mixture
15. This is the term for what is formed when two or more atoms chemically combine.
Element
Compound
Molecule
Mixture

17. Element Compound Molecule Mixture
16. This is the term for what is formed when two or more elements chemically combine.
Element
Compound
Molecule
Mixture

18. 17. What are the two most reactive families on the periodic table?
Halogens and Alkaline Earth Metals
Alkaline Earth Metals and Alkali Metals
Alkali Metals and Halogens
Halogens and Noble Gases

19. 18. When atoms combine in an ionic bond…
The resulting particles are positively charged
The resulting particles are negatively charged
The resulting particles are neutral in charge
The resulting particles share electrons

20. 19. This is the number of valence electrons of the elements in the carbon family.4 5 6 7

21. 20. These are the reacants of photosynthesis.
Glucose and Water
Carbon Dioxide and Glucose
Water and Carbon Dioxide
Oxygen and Water