To build a neutral atom, there must be an equal number of protons and electrons. Refresh the simulation, and then add six protons and six electrons to make a neutral carbon atom. Click the plus sign on
the Mass Number window. What's the mass number of this carbon atom?

What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )

When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called