The element with the atomic mass of 12 amu, and 6 nuetrons: (E2) A (B3) (D4) O (14)

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Select the correct lewis structure for fluorine which is group 7a element?