An element's ____ defines it. An ____ with 17 protons will always be chlorine. However, an element's ____ can vary, which means that it can have ____ numbers of ____. So although chlorine has a mass number of 35 which means it has 18 neutrons, it can also have a mass number of 37, which means it has ____. The different types of chlorine are called ____

Isotopes

הדפסה
הטבעה

לוח תוצאות מובילות

סגנון חזותי

אפשרויות

החלף תבנית

האם לשחזר את הנתונים שנשמרו באופן אוטומטי: ?