What is the approximate mass of a proton?

(1) 1 u

(2) 0.0005 u

(3) 1 g

(4) 0.0005 g

Why cant science answer questions with certainty?

Explain how a cell is like a system?

Sam buys a package of chips and notices that hydrogenated vegetables oil is one of the ingredients. This ingredient primarily:

What led Thomson to decide that Dalton's atomic model needed to be revised?

The sun has been up for several hours, and it has been shining on these trees. What can the trees do because they are in the sunlight? What does this mean for the number of energy storage molecules in the trees?

An organic compound is one that contains the element carbon. true or false

Most thermal energy in the atmosphere is transferred by what

Identify water. weak electrolyte, weak acid nonelectrolyte strong electrolyte, strong acid weak electrolyte, strong acid strong electrolyte, weak acid

What is the atomic weight of a hypothetical element consisting of two isotopes, one with a mass of 62.2 u which is 24% abundant, and the other with a mass of 64.0 u?

A pure compound contains 24 g C, 4 g H, and 32 g O. If no other elements are present, determine the empirical formula of the compound. Be sure to show your work.