Lithium has a 1+ charge, and oxygen has a 2- charge. A Lewis dot diagram should contain one lithium atom and two oxygen atoms to show how these form an ionic bond. True or false?

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged