Place the elements in order from low number of valence electrons to high number of valence electrons.
1
Neon
2
Aluminum
3
Silicon
4.
Potassium
5
Magnesium

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)