Answer:
In a Lewis symbol, the symbol for the element is used to represent the atom and its core electrons. Dots placed around the atom are used to indicate the valence electrons. ... In 1916, Gilbert Newton Lewis, an American chemist, suggested that molecules were formed when atoms shared pairs of outer electrons.
Explanation:
Answer:
the centromere, the arm and the telomere
Explanation:
Answer: Potassium Chloride
Explanation:
Oxygen- atomic number 8
1s² 2s² 2px² 2py¹ 2pz¹
