What is most likely true of an atom with a mass of 15 amu? there are 15 protons. there are 15 electrons. the total number of protons and electrons is 15. the total number of protons and neutrons is 15?

Explain why potassium does not bond with neon to form a compound

There is no connection between the study of chemistry and physics. A. true B. false

Find the empirical formula for a compound consisting of 63% Mn and 37% 0

A runner wants to run 13.1 km. She knows that her running pace is 6.2 mi/h. How many minutes must she run? Hint: Use 6.2 mi/h as a conversion factor between distance and time.

In which time period did Ancient Greek philosophers propose that all matter was composed of four fundamental substances: earth, air, water, and wind? 8000 B. C. - 1000 B. C. 1000 B. C. - 450 B. C. 300 B. C. - 1400 A. D. 1774 - 1794 A. D.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda