When the collision of gas particles and the volume of the gas stay the same it causes a chemical.
Answer:
the answer is A An atomic orbital can only hold a maximum of 2 electrons, each with opposite spins
Explanation:
I think the correct answer among the choices presented above is option A. An ore is rock that contains a mineral or metal with economic usefulness. Examples are copper ore, gold ore and iron ore. These ores are being extracted from the Earth by mining.
Answer:
18- H
19- D
20-G
21-A
(i think these are the answers)
Explanation: