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NaBr is named __________.

NH4+ and O2- form an ionic bond.  Which ONE would be the correct formula for the resulting compound?

Hydrogen bonding is the weakest of the intermolecular forces.

The chemical symbol for __________ is Mn. 

The formula for Potassium Hydroxide is POH.

Vaporization/evaporation of sweat cools the body because the reaction is endothermic.

Atoms of the same element can have different numbers of Protons.

Put into scientific notation: 0.0004 = ___ _______ ___ x10^ ___ _______ ___

Which ONE of the following is an example of a physical change:

__________ are elements that are located on the left side of the periodic table, are good conductors, and are typically solid at room temperature.