Explain in terms of elements classification why k2O is an ionic compound

What is the function of the Artificial light source of the microscope?

Which of the following best explains why you sanded the copper wire before burning it? to create less friction between the copper and the tongsto make sure that copper metal was exposed on the surface of the wireto make the copper wire flammableto

Which formula contains only two elements? 1) Bi (NO3) 3 2) KOH 3) NaClO3 4) Al2S3

Based on the electromagnetic spectrum what is the relationship between wave length and frequency

If Thomson's atomic theory was accurate, what would the results of Rutherford's gold foil experiment have been

A chemist adds 0.55 L of a 4.69M silver nitrate (AgNO3) olution to a reaction flask. Calculate the mass in kilograms of silver nitrate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.

How many moles of s atoms are present in 76.1 g of cs2?

If the silver chloride is not dry when its mass is determined, will the calculated percent of silver in the alloy be too high or too low?

8Fe + S8 - - > 8FeS What type of chemical reaction is happening here?

The experimental procedure has you wash your thermometer and dry it after you measure the temperature of the acid and base solutions.