English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

2 answers

Have you even looked at the periodic table?

2007-11-02 16:56:48 · answer #1 · answered by Frank N 7 · 0 0

18 protons/electrons ,22 neutrons

2007-11-02 15:24:29 · answer #2 · answered by mhymhymhymhymhymhymhy 2 · 0 0

fedest.com, questions and answers