What is the reason for the trend in Electronegativity? Select all that apply. A. number of valence electrons.
B. number of protons in the nucleus
C. number of energy levels around the nucleus D. larger atomic mass number
E. number of neutrons in the nucleus

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw