Which of these is an element

A. Sugar

B. Salad.

C. Potassium

D. Water

How many valence electrons does CN1 have?

The end of the iron fire poker that you are holding gets warm even though it is not directly in the fire. The motion of the iron atoms is responsible for this heat transfer. True False

What does chemistry mean

The balanced equation below represents the decomposition of potassium chlorate. 2KClO3 (s) → 2KCl (s) + 3O2 (g) Determine the oxidation number of chlorine in the reactant in the equation.

What is the law of conservation of mass and how does it apply to chemical reactions?

What are the products of the alpha decay of Iodine-131?

Which lewis electron-dot diagram represents a nitrogen atom in the ground state

What would a 1:1 liquid binary mixture of Cyclohexane and Toluene look like? How would the molecules associate with one another?

A sample of argon gas is at a pressure of 1.725x10^4 kPa and a temperature of 24°C in a rigid 20 L tank. How many moles of argon does this tank contain? (show your work)

summarize what you read on the two articles by identifying the advantages and disadvantages of using plastics