Unit Test Answers

Complete the sentence. Atoms form chemical bonds to satisfy the rule and to become .

Calcium chloride is used to make pickles. The calcium atom transfers electrons to chlorine atoms, leading to the formation of chemical bonds. Calcium chloride contains bonds. Copper atoms are used to produce pennies. The copper atoms in pennies share many electrons. Pennies contain bonds. Hydrochloric acid is the main acid that helps break down food in the stomach. The atoms of hydrochloric acid share electrons. Hydrochloric acid contains bonds.

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Order the steps to take when drawing electron dot diagrams. Count the dots to make sure that all of the valence electrons are represented. Draw dots around the chemical symbol to represent the valence electrons of the atom. Use the periodic table to find the chemical symbol of the atom and the number of electrons in the valence shell. Write the chemical symbol of the atom.

Complete the passage to describe how electrons are represented in electron dot diagrams. The maximum number of dots an electron dot diagram can have is . The maximum number of dots drawn on a side of a chemical symbol in an electron dot diagram is .

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