One calcium and two chlorine atoms are near each other. An electron from each atom feels the attraction from the other atom's nucleus. The attraction by the chlorine atoms is stronger than the ...

If the compound contains three elements one of which is oxygen then the compound name will end in –ate or –ite, eg Calcium carbonate contains calcium, carbon and oxygen. Sometimes the name of ...

Players read questions about energy levels and score points by picking the correct element as the answer ... energy level and six electrons on the second energy level. Since this atom has a total of ...

Atoms of different elements usually have different ... the mass number of argon atoms and calcium atoms can both be 40. The atomic number of a chlorine atom is 17 and its mass number is 35.