Explain why fluorine and chlorine are in the same group of the periodic table.

Give the electronic structures of fluorine and chlorine in your explanation.

How do you write electron configuration? Just use Sulfur as an example

How many pairs of spinal nerves connect to the spinal cord

Which of the following is evidence for a physical change? A) burning B) fizzing C) evaporating D) rusting

Why was hydrochloric acid used for the neutralization experiment using the antacid? Why was hcl chosen over another strong acid?

Which of the following laws can be described as, "within every force interaction, each object exerts the same amount of force on the other object, but in the opposite direction.

Nitrogen dioxide (NO2) gas and liquid water (H2O) react to form aqueous nitric acid (HNO3) and nitrogen monoxide (NO) gas. Suppose you have 5.0 mol of NO2 and 11.0 mol of H2O in a reactor. Suppose as much as possible of the NO2 reacts.

How long does it take the Earth to rotation and revive

What is Charles' law formula?

Which stars have the highest absolute brightness? Select one: a. Supergiants b. Giants c. Yellow stars d. Dwarfs

What volume would 3.01•1023 molecules of oxygen gas occupy at STP?