What patterns do you notice in protons neutrons, electrons, groups, and periods within the periodic table? Be sure to think about similarities and differences between types of elements and location on the periodic table​

For the following, determine the type of reaction and then give products.

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?