Oxygen and carbon are both elements ... This shows that lithium atoms have three electrons, two in the first shell and one in the second shell. Sodium has 11 electrons. These will be arranged ...

Let students know that each group should have 4 white, 3 red, 2 black, and 1 blue cube. The white ones stand for hydrogen, the red are oxygen, the black are carbon, and the blue is nitrogen. Explain ...

The oxygen atoms are purportedly guided through three platinum electrodes, which control when each atom is moved from one layer to another or vice versa, representing a change in the data.