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5. Which element, when combined with fluorine, will form an ionic compound? *

a. oxygen

b. bromine

c. potassium

d. nitrogen

6. What is the correct formula for sodium sulfate? *

a. NaHSO3

b. NaHSO4

c. Na2SO3

d. Na2SO4

User LiamH
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5. the answer is C

6. the answer is D
User Yno
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