I have a science project and I chose the topic constellation. NOW my teacher wants me to tell him why I chose that topic cuz he wants to know what would I get from doing this project? And what would a grade 4 kids or student below grade 9 get from this project? He wants to know this. I don't know what to say. hel!! ​

beta decay is the answer

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.