True or false The atomic number of an element is always more than the mass number of that element.

The electron configurations of two different atoms are shown below. each yellow electron has a charge of 1−, and the net charge of each nucleus is shown. these atoms will combine with bond. a. an ionic b. a positive c. a negative d. a covalent plzzz mee with !

2. how is heavy water different from normal water

In salt water solution,the salt is the blank