What of the following is a Cation?

A) (SO3) ^-2

B) sulfate

C) (Ca) ^+2

D) chloride

Describe how to prepare sodium sulphate from sodium hydroxide

What is the density of an object having a mass of 8.0g and a volume of 25cm3

X-ray radiation falls in the wavelength region of 1.00*10-11 to 1.00*10-8 meters. What is the frequency of X-ray radiation that has a wavelength of 1.00*10-11 m?

Which is an example of antiracist behavior? A. Tyler smiles at a joke made in his driver education class about Asian drivers. B. Tyler makes a joke about the high number of African Americans dropping out of school. C.

Is Salt water a compound or a mixture?

Water is A. Acidic B. Basic C. Neutral

What variables affect the acceleration of an object and in what manner do they affect the acceleration?

How do valence electrons relate to the chemical reactions of an element?

What is the weighted-average mass of all known isotopes for an element

What is the Celsius equivalent of 212°f