Question

1. state the property used to organize elements in the modern periodic table.
2. identify the following on the periodic table.

a. the chemical symbol for mercury
b. the period and group of gold
c. the atomic mass of iron
d. the atomic number of neon
e. the element represented by cu

Explanation:

a. Refer to the periodic - table for chemical symbols. Mercury's symbol is Hg.
b. Locate gold (Au) on the periodic table to find its period (6) and group (11).
c. Find iron (Fe) on the periodic table to get its atomic mass (approx. 55.85).
d. Locate neon (Ne) on the periodic table to find its atomic number (10).
e. Refer to the periodic - table to identify the element with symbol Cu, which is copper.

Answer:

a. Hg
b. Period 6, Group 11
c. Approximately 55.85
d. 10
e. Copper