Which of the following contains the most atoms? 2 moles of silver.

1 mole of carbon.

2.5 moles of oxygen.

1.5 moles of iron.

PL BE FAST!

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

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

What three things determine the shape and size of a puddle when water is poured out onto a surface