Which element is a gas at STP?

1) sulfur

2) xenon

3) potassium

4) phosphorus

You are handed an opaque, hard rod. In the lab you pull on the ends of the rod. Before it start to stretch, it breaks with an audible 'snap'.

Consider the reaction A ⟶Products Use the following rate data to determine the order of the reaction with respect to the reactant A. [A] (M) Initial Rate (M/s) 0.10 0.015 0.20 0.015 0 1 2 3

1. The sum of the masses on the reactant side must equal

Why do all the elements in the alkaline earth metals have similar properties

Under which conditions are gases most soluble in water?

Describe the characteristic of chemical structure found at the core of each steroid hormone

A molecule has one carbon-carbon double bond and four monovalent atoms or groups. how many different geometric isomers exist for this molecule?

While waiting for your car to warm up one winter morning, you notice a liquid dripping from your tailpipe. You recently learned in chemistry class that combustion reactions occur in car engines.

Which of the following correctly describes how metals behave in an ionic bond? Metals lose their valence electrons and form positive ions. Metals lose their valence electrons and form negative ions.

A pharmacist measures the mass of a powdered drug. The mass is 506 mg. What is the mass in grams? Write your answer as a decimal.