Answer: 7 electrons
Explanation: In the first orbital shell it can only hold a maximum of 2 electrons.
The second orbital or energy level it can hold a minimum of 1 and maximum of 8 electrons.
Since the first shell has 2 electrons it means that the second shell has 7 electrons.
Answer:
D the last one
Explanation:
running water
Micro: A small scale ecosystem such as a pond, puddle, tree trunk, under a rock etc. Messo: A medium scale ecosystem such as a forest or a large lake.
