Question
Elements in the same group have similar physical and chemical properties because they have the same number of ________.
a. protons
b. valence electrons
c. electrons
d. neutrons
choose the correct answer
a. protons
b. valence electrons
c. electrons
d. neutrons
choose the correct answer
Answers
GPT-4o mini
The correct answer is **b. valence electrons**.
Elements in the same group of the periodic table have the same number of valence electrons, which contributes to their similar physical and chemical properties.
Elements in the same group of the periodic table have the same number of valence electrons, which contributes to their similar physical and chemical properties.