Chemistry of Life MAKE-UP Unit Test 2008
1. The particles in shells outside of the nucleus are:
A. Positively charged protons
B. Negatively charged protons
C. Positively charged electrons
D. Negatively charged electrons
2. What particles are found in the nucleus
A. protons and neutrons
C. electrons and neutrons
B. protons and electrons D. neutrons only
3. What element is this an atom of?
A. Boron
C. Phosphorus
B. Magnesium
D. Potassium
4. The elements in the Periodic Table are organized and arranged in order by
A) chemical symbol.
C) Atomic Number.
B) Atomic Mass.
D) the physical state they are in normally.
5. The smallest particles of an element that still have the properties of the element are called:
A) molecules
C) atoms
B) compounds
D) protons
6. The Atomic Number of Oxygen is
A) 6
C) 16
B) 8
D) 24
7. Which atom has 10 neutrons, 9 protons, and 9 electrons?
A) Fluorine
C) Potassium
B) Neon
D) Nickel
8. How many neutrons does Hydrogen have?
A) 0
C) 2
B) 1
D) 4
9. When 2 or more atoms combine because they are sharing electrons, we call the resulting
particle
A) an ion
C) an element
B) an isotope
D) a molecule
11. Which of the following elements has 1 valence electron in its outer shell?
A) Lithium
C) Beryllium
B) Boron
D) Fluorine
12. Which element is stable (very unlikely to react)?
A) Neon
C) Fluorine
B) Hydrogen
D) Iron
13. Which statement about electrons is most correct?
A) Electrons are negatively charged particles which can never be gained or lost.
B) Atoms gain or lose electrons to become stable.
C) An atom that has more electrons than normal is called an isotope.
D) We know how many electrons an atom has by subtracting the atomic number from the
atomic mass.
14. Which pair of atoms would be most likely to form a molecule by ionic bonding (in this case
swapping one electron)?
A) Sodium and Fluorine
C) Carbon and Hydrogen
B) Oxygen and Carbon
D) Silicon and Sulfur
15. Which column has very unstable and thus reactive elements?
A) Group 17 (Halogen Gases) – column beginning with Fluorine
B) Group 18 (Nobel Gases) – far right column
C) Group 15 (Non-metals) – column beginning with nitrogen
D) Group 8 (Metals) – column beginning with iron
16. To the left is
A. A molecule of NH4.
B. A molecule of NH3.
C. A molecule of CH4.
D. A molecule of CH3.
17. What do all of the elements in the Alkali Metals 1st Group or column) of the Periodic Table
have in common?
A) They all have 1 extra electron.
B) They all form covalent rather than ionic bonds.
C) They all have a 2nd outer electron shell.
D) They all will form ions when they combine with the elements in the 2nd Group.
18. Which of the following is an inorganic molecule?
A) C6H12O6
C) C12H22O11
B) C3H8
D) NH3.
19. An atom that has different numbers of electrons and protons and has a charge is called
A) an isotope
C) an ion
B) unstable
D) a metal
20. What can never change in an element and have the element remain the same element?
A) Number of electrons
C) Number of neutrons
B) Number of protons
D) Atomic mass
21. What statement about protons is correct? Protons are:
A) Positive in charge, have a mass of 1, and are found in the nucleus.
B) Negative in charge, have a mass of 1, and are found in the nucleus.
C) Positive in charge, have a mass of 1, and are found in a cloud around the nucleus.
D) Negative in charge, have a mass of 0, and are found in the nucleus.
22. Which of the following is the best description of the properties of Transition Metals?
A) Metals are shiny, always solid elements found in the center of the Periodic Table.
B) Metals are found in the center section of the Periodic Table, and all form ions when
they gain electrons.
C) Metals are shiny, malleable elements which are good conductors of electricity.
D) Metals are brittle elements which are poor thermal conductors but good electrical
conductors.
23. What do all of the elements in the 2nd Period (row) of the Periodic Table have in common?
A) They all have 2 extra electrons.
B) They all form covalent rather than ionic bonds.
C) They all have a 2nd outer electron shell.
D) They all will form ions when they combine with other elements.
24. Carbon makes the best element around which to build the compounds of life because
A) It is a common element which readily forms ionic bonds.
B) It is the most common element found in the surface of the Earth.
C) It is the most complex atom available to life on Earth.
D) Its 4 valence electrons make each atom able to bond with up to 4 atoms.
25. Which of the following is an organic molecule?
A) H2O
C) NaCl
B) O2
D) C12H22O11
26. The molecules that are the building block molecules of all cells are
A) carbohydrates
C) lipids
B) proteins
D) nucleic acids
27. The molecules that animals use to store energy are
A) carbohydrates
C) lipids
B) proteins
D) nucleic acids
28. The molecules that plants make to store energy trapped in photosynthesis are
A) carbohydrates
C) lipids
B) proteins
D) nucleic acids
________+ 6H2O + energy >>>>>>>> C6H12O6 + 6O2
29. What is missing from the above equation that would make it complete and accurate?
A) glucose
C) sunlight
B) 6O2
D) 6CO2
30. The above equation is the chemical equation for:
A) photosynthesis
C) cellular respiration
B) breaking up glucose
D) none of the above
Chemistry MAKE-UP Unit Test
Name ____________________________________
Grade ____________________
SR - # Correct out of 30 _________
SR Points/90 ________________
BCR Points/10 _______________
1.
16.
2.
17.
3.
18.
4.
19.
5.
20.
6.
21.
7.
22.
8.
23.
9.
24.
10.
25.
11.
26.
12.
27.
13.
28.
14.
29.
15.
30.
BCR: Compare Cellular Respiration and Photosynthesis, and show how the
two processes are related.




As a part of your answer, be sure to:
Define each process, giving its purpose.
Tell what organisms do each process.
List the reactants (what is started with).
List the products (what is ended up with).
Reactants
Photosynthesis
Respiration
Products