The O–O bond length in oxygen gas is 1.20741 Times. 10–10 m. The atomic radius is exactly One half. of the O–O bond length. Which is the atomic radius of oxygen, correctly written in scientific notation with the correct number of significant figures?

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

What are transitions between a liquid and gas called? identify which way they are transitioning