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One mole of nickel (Ni) has a mass of _____.

The elements of the group 1A will all form ions. These ions will be _____ and will have a charge of _____.

Write sentences using the correct form of either ser or estar and the information provided. Make any necessary changes. Carmen / alto

A bowl of chocolate chip ice cream is best described as a _____.

Choose the answer that best completes each sentence Sólo __ televisión los fines de semana.

Fill in the blank with the correct from of estar: Yo _______   nerviosa por el viaje.

Which of these numbers has four significant figures?

One milliliter is equal to _____.

Calculate the number of moles in a 233-gram sample of barium.

Methane can be decomposed into two simpler substances: hydrogen and carbon. Therefore, methane is a(n) _____.