How can an astronaut keep from floating away in space? a. Weighing down down with with something heavy.
b. Making body movements similar to that of of a swimmer.
c. Using footholds or straps attached to the spacecraft or equipment, or by using a Manned Maneuvering Unit
d. Making a continuous running motion like jogging in place.

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

so what is the problem with your lab report and whats the subject of the lab report? i will you