The Shape of a Water Molecule Is

Q65: Hydrogen and nitrogen react to form<br>A)NH.<br>B)NH₂.<br>C)NH₃.<br>D)NH₄.

Q66: How many nitrogen atoms are in the

Q67: The formula of magnesium nitride is<br>A)Mg₃N₂.<br>B)Mg₂N₃.<br>C)Mg₂N.<br>D)MgN.

Q68: The formula of sodium dichromate is _.

Q69: The calcium metal is needed for healthy

Q71: Atoms and molecules with odd numbers of

Q72: Ionic compounds generally form between metals and

Q73: How many magnesium atoms are in the

Q74: How many dots will appear in the

Q75: Which of the following pairs is isoelectronic?<br>A)Ar