Quiz: Discovery and Similarity

1. The modern periodic table is arranged
a. by increasing atomic mass
b. by increasing atomic number
c. alphabetically
2. The group of most reactive metals that form strong alkaline solutions with water:
a. inert gases
b. halogens
c. alkali metals
3. The group of most reactive nonmetals that readily combine with metals to form salts:
a. inert gases
b. halogens
c. alkali metals
4. The group of nonreactive elements in which only two of the elements form compounds:
a. inert gases
b. halogens
c. alkali metals
5. The symbol of an element often contains
a. the first two letters of the element name
b. an arbitrary selection of letters
c. the first letter of the element name
6. The halogens are often called
a. salt formers
b. lanthanides
c. noble gases
7. The symbol for chlorine is
a. C
b. Ch
c. Cl
8. The inert elements are also known as
a. metals
b. noble gases
c. actinides
9. Elements with atomic number 93 and greater are all
a. naturally occurring
b. man-made
c. known as noble gases

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