1.vertical columns in the periodic table indicate what information?
a. periods
b. liquids
c. synthetic elements
d. groups and families

2.which of these are families of elements?
a. metals and noble gases
b. shells and nonmetals
c. properties and rare earth elements
d. metalloids and atoms

3.why is the atomic mass of many elements not a whole number?
a. elements are unstable.
b. an element may have isotopes with different numbers of neutrons.
c. the atomic mass includes all the electrons.
d. lsotopes are always expressed in decimals.

Judy blume's career as an american writer spans four decades and includes many literary awards. she is most famous for her novels geared toward pre-teens. one notable example is tales of a fourth-grade nothing. however, blume also has had success writing for an adult audience. three of her novels for adults reached the new york times best-seller list. in a 2008 interview blume remarked, "i have so many stories left to tell! " by that time she had written nearly 30 novels. judy blume is an exceptionally talented and productive american author. which of the following statements supports the main idea in this paragraph? blume only publishes books that she expects will win awards. blume prefers to write novels for adults rather than pre-teens. blume has had an extremely and uncommonly long writing career. blume is a gifted writer who can write for children as well as adults.