Name the Compound NO₂

Q15: Give the formula for potassium oxide.<br>A) KO<br>B)

Q16: The formula of calcium carbonate is CaCO₃.

Q17: What are the two different ions present

Q18: The proton is about 1840 times heavier

Q19: Give the formula for carbon disulfide.<br>A) CsS₂<br>B)

Q21: An allotrope is one of the two

Q22: What type of compound is IF₅<br>A) Ionic<br>B)

Q23: The following compound, CuCO₃, can be named

Q24: Name the compound CuSO₄.<br>A) Copper (I) sulfate<br>B)

Q25: A phosphide ion has:<br>A) 10 protons and