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5 cards from this section. Quick, good the night before a test.
Write the electron arrangements of a sodium atom and a sodium ion.
Sodium loses its single outer electron.
State the charge on the ion formed by calcium and by chlorine.
Use the group number of each element.
What happens to a sodium atom when sodium chloride forms?
Metals lose electrons in ionic bonding.
What is the formula of magnesium chloride?
Make the total positive and negative charges equal.
Magnesium reacts with nitrogen to form magnesium nitride. Work out its formula, the electron arrangements of the ions, and the total number of electrons transferred per formula unit.
Find the lowest common multiple of 2 and 3.
A student writes: "Sodium chloride is made of NaCl molecules, and each molecule contains one ionic bond." Explain what is wrong with this statement and correct it.
Think about how the ions are arranged in a crystal of salt.
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