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1. Which property must be known about each atom in order to draw an electron-dot
structure?
a. Bond length
6 Atomic mass
c. lonization energy
d. Number of valence electrons
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Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

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.

What is a property of a double replacement reaction