What ion must be present for a compound to be considered a base?

What is the symbol for acceleration

Fill in the blanks to complete the statements about the gases in Earth's atmosphere. Earth's atmosphere is mostly nitrogen, which makes up about 78 percent of the atmosphere, and, which makes up about 21 percent.

Which formulas represent one ionic compound and one molecular compound?

Which of the metals below will dissolve in hydrochloric acid, HCl? gold, Au copper, Cu silver, Ag magnesium, Mg

Mrs. Allen is about to have another baby. She already has three daughters. What is the probability that her fourth child will also be a girl?

True or False: According to the present atomic theory, the location of an electron in an atom is best represented by a probability cloud.

How can we measure the density of different wooden objects

According to molecular orbital theory, all diatomic molecules with an even number of electrons will be diamagnetic. True or False?

Which of the following equilibria would be impacted by a change in pressure? Select the correct answer below: H2 (g) + I2 (g) →2HI (g) NO (g) + O3 (g) →NO2 (g) + O2 (g) 2SO3 (g) →2SO2 (g) + O2 (g) CO (g) + H2O (g) →CO2 (g) + H2

A common stain remover is sold in concentrated form as 3M sodium hypochlorite (NaOCl). You need to create 400 milliliters of a 0.5M solution of sodium hypochlorite to fill a spray bottle. What volume of 3M sodium hypochlorite is needed? 15.0 mL 66.