How many total atoms are in one molecule of nickel hydroxide, ni(oh)2? 1 3 4 or 5?

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?