Question

question
what element has the symbol ca? this element is in group 2a(2) which includes the alkaline earth metals. it has the same outer electron configuration as the other alkaline earth metals, ns².
what element has the symbol ca?
answer
○ cadmium
○ calcium
○ californium
○ carbon
○ i dont know yet

Explanation:

The element with the symbol Ca is Calcium. Alkaline earth metals are in group 2A (2), and Calcium (Ca) fits this description as it's an alkaline earth metal with outer electron configuration \( ns^2 \). Cadmium is a transition metal, Californium is an actinide, and Carbon is a non - metal.

Answer:

B. Calcium