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3 cards from this section. Quick, good the night before a test.
What is the valency of Oxygen?
Think about how many Hydrogen atoms it combines with in water.
What is the valency of Sodium?
How many electrons does Sodium lose to become stable?
What is valency?
Think about what determines an element's reactions.
True or False: Valency is determined by the number of neutrons.
Focus on which electrons participate in bonding.
A compound is formed by combining Calcium and Oxygen. What is the formula of this compound and explain the process?
Balance the valencies of Calcium and Oxygen.
Given the elements with valency: H = 1, Cl = 1, and O = 2, create one example of a chemical formula that can be derived from these elements.
Think about how each element's valency dictates the number of bonds it can form.
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