jeff answered all 25 questions on his chemisty test. For each wrong answer he lost 2 points . If he got a score of 70 points, how many questions did he get right

Of course: ) what’s your name ?

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic