When elements combine to form compounds, their properties only change slightly.
Answer: false
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Chemistry Chapter 5
- Oxyacids contains at least one H+ and an oxyanion. The " nitrous " oxyacid contains the oxyanion ________.
- What is the formula mass of magnesium nitride?
- How many O atoms are present in sodium chlorite?
- How many C atoms are in ammonium acetate?
- Suppose that in an ionic compound, "M" represents a metal that could form more than one type of ion. In the formula MF2 , the charge of the M ion would be:
- Suppose that in an ionic compound, "M" represents a metal that could form more than one type of ion. In the formula MP , the charge of the M ion would be:
- If the mass ratio of K to F in a compound is 2.06:1, how many grams of F are needed to react with 2.30 g of K?
- What is the mass ratio of Na to S in sodium sulfide?
- A compound has a formula mass of 61.98 amu and is comprised of atoms of sodium and oxygen in a definite ratio. The name of the compound described here is:
- Which of the following compounds have the smallest formula mass?
- Which of the following has the largest formula mass?
- What is the formula mass of copper(II) fluoride?
- What is the formula mass for diboron tetrachloride?
- What is the formula mass for potassium nitrate?
- What is the formula mass of sulfurous acid?
- A certain oxyacid is derived from the oxyanion SO32-. The formula for the oxyacid is:
- What is the name of HNO2?
- What is the name of HIO3?
- What is the name of HI (aq)?
- What is the proper name for HBr (aq)?
- What is the correct formula for the molecular compound hepta phosphorus octafluoride?
- What would the formula of diiodine pentasulfide be?
- What is correct name of the compound whose formula is BF3?
- What is correct name of the compound whose formula is N2O4?
- What is the name of the molecular compound SO3?