Answer:
calcium ca
Explanation:
We can see here that the only element that is on the same group (column) as Ba (Barium) is Calcium (Ca).
<span>Double Displacement (Metathesis) hope this helps. </span>
Answer:
not 100% sure but I think it's unbalanced chemical
Answer:
yes here
Explanation:
The major layers of the Earth, starting from its center, are the inner core, the outer core, the mantle, and the crust. These layers formed as the building blocks of Earth, known as planetesimals, collided and collapsed under their own gravity around 4.5 billion years ago
