Slide 1Calcium By: Heba Abu-kwaik 7 th Grade Science Class Slide 2 Number of Energy Levels: 4 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 8 Fourth Energy…
1.Doctor Richard A. Conley Chiropractor2. Welcome 3. What Does Health Mean To You? The usual answer to this question is “feeling good.” To most people, as long as we…
How ions are formed. I think that Iâve lost an electron. What do you mean? It just feels like something is missing! Are you sure? Iâm positive! Neutral atoms have the same…