What does the period number tell about the energy levels occupied by electrons in an atom?A.The period number tells how many electrons are in the highest energy level of the atom.B.The period number tells how many energy sublevels are occupied in the atom.C.The period number tells which is the highest energy level occupied by the electrons.D.The period number tells how many electrons are in each sublevel of the atom.SUBMITarrow_backPREVIOUS

describe the number of electrons in atoms, their energy levelsand atomic orbitals

Which statement best explains how periods on the periodic table are organized? A. increasing atomic number from left to right B. increasing number of neutrons from left to right C. decreasing number of electrons from left to right D. decreasing atomic mass number from left to right

What can the period tell you about the electrons in an atom?

In the Periodic Table, the elements are arranged in columns called Groups and in rows called Periods. (a)Complete the table for some of the elements in Period 3.(ii) What is the relationship between the group number and the number of valency electrons?

How does one determine the number of core electrons an atom has?A.Subtract the group number from the atomic number.B.Add the group number and the period number.C.Subtract the atomic number from the atomic mass.D.Add the atomic number and the number of valence electrons.