1. T F There are 92 natural occuring elements.
2. T F Matter is anything that occupies space and has a mass.
3. T F The atomic mass of an element is the number of protons and not the neutrons.
4. T F Elements with high neutron numbers tend to be radioisotopes.
5. T F A cation is an atom that has gained an electron.
6. T F Ionic bonds typically occur with elements of carbon that tend to share electrons.
7. T F Water and methane gas are both polar covalent bonds.
8. T F A synthesis reaction can also act as a reversible reaction.
9. T F A solution is a permanent homogenous mixture of a solcent and solute.
10. T F Water has a high specific heat meaning that it changes its temperature rapidly with hot or cold conditions.
is an example of a ____________
A. weak base
B. weak acid
C. strong base
D. Strong acid
12. The 6
carbon carbohydrates are called__________
13. Non superimposible
molecules are called______
B. aldose sugars
C. ketone sugars
D. cyclic sugars
E. linear sugars
14. In general
the type of sugars that are more readily digested are called __________ linkages
oils tend to have boiling points that are________
16. The element
that tends to destroy the affects of soap is____________
E. all of the above have the ability
17. The suffix
-ol refers to ________
E. none of the above
18. Amino acids are amphoteric because they can act as________
C. both acid and base
D. none of the above
19. The secondary
structure of a protein is determined by its __________
A. order of amino acids
B. folding in 2 dimensions
C. folding in 3 dimensions
D. combining with other proteins
E. all of the above are correct possibilites
20. A double
ring DNA subunit is called