What is the asthenosphere? Select all that apply. Select 2 correct answer(s)
Part of Earth's crust
Part of the Earth's mantle
Part of the Earth's core
Solid and plastic (can flow)
Solid and brittle (breaks instead of bending and flowing)

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.

you need to have a picture of the atom that way we can answer it