Answer:
Copper Atoms
Explanation:
All copper atoms have atomic number 29: all their nuclei contain 29 protons. But they also contain uncharged particles called neutrons. In natural copper, the atoms are of two kinds. One has 29 protons and 34 neutrons in the nucleus; the other has 29 protons and 36 neutrons
Answer:
Oxygen.
Explanation:
They take in oxygen from the air. This is the process of respiration.
Answer:
Both involve drilling into the earth and can cause environmental degradation.
Explanation:
Explanation:
2Mg⁺ 2HNO₃ = Mg(NO₃)₂ + H₂
