Quais são os compostos formados pelos pares Mg e Cl; Ca e O; Li e O; K e Br ?

What’s the scientific notation for the number 6,840,000,000

What type of energy conversion occurs when you place your feet near the fire place and they become warm

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.