Lithium, sodium and potassium have similar properties in accordance with which principle of the modern periodic table?Group of answer choicesElements in a group (same column) have similar propertiesElements in a group (same column) have same number of electron shellsElements in a period (same row) have similar properties

Which pair of elements is most likely to share similar chemical properties, as they are in the same group on the periodic table?Group of answer choicesHydrogen (H) and Helium (He)Sodium (Na) and Chlorine (ClLithium (Li) and Potassium (K)Oxygen (O) and Fluorine (F)

In the periodic table, elements with similar chemical properties occupy the same:

Why do elements in the same group on the periodic table have similar properties?A.They have similar numbers of protons.B.They have similar numbers of valence electrons.C.They have similar numbers of neutrons.D.They have similar atomic masses.

Why do elements in the same period of the periodic table have different properties?A.They have different numbers of valence electrons.B.They have different arrangements of core electrons.C.They have different numbers of neutrons.D.They have different arrangements of protons.

In the periodic table, elements in the same vertical group typically have:A  similar chemical propertiesB  similar atomic massesC  similar atomic numbersD  similar atomic radii*1 pointABCD