In which compound is the percent compositionby mass of chlorine equal to 42%?
(1) hclo (gram-formula mass = 52 g/mol)
(2) hclo2 (gram-formula mass = 68 g/mol)
(3) hclo3 (gram-formula mass = 84 g/mol)
(4) hclo4 (gram-formula mass = 100. g/mol)

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.

Connect the whole numbers on the periodic table to indicate what they represent?