Respuesta :

vanessaakaraiwe123

Answer:

7 elements

Explanation:

P - Phosphorus

Ba - Barium

S - Sulfur

K - Potassium

O - Oxygen

C - Carbon

I - Iodine

chenjoy
Either 6 or 7. Capital letters represent a new element. So at the end, when it either says Cl - chlorine or CI carbon and iodine, it just depends on if that’s a CAPITAL I or lowercase l