The sum of the number of protons and neutrons in an atom is called the of the element. 1. Molar Mass 2. Atomic number 3. Average atomic mass 4. Mass number o2 o4 o3 o1

50 pts plz what is the physical state of matter of baking soda.

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.