An atom of an element always contains

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility