Answer: The coordination number of Cu+ is two while the coordination number of O2- is 4
Explanation:
The coordination number of an ion in a unit cell arrangement refers to the number of immediate neighboring ions of opposite charge surrounding a particular ion. In Cu2O, the charge on Cu is +1 and the charge on the oxide ion is -2. Each copper I ion is surrounded by two oxide ions while each oxide ion is surrounded by four copper I ions in each unit cell.
A pH of 3 is acidic! hope this helps:)
a pH of 0-6 is acidic
a pH of 7 is neutral
a pH of 8-14 is basic
Answer:
The correct answer is - it provided water, food, transportation, and excellent, fertile soil for growing food.
Explanation:
People of Egypt moved to the northern Nile river due to various reasons. In this region, the soil is very excellent and helps in growing crops as the soil is fertile due to the appropriate climate and water resources.
It is aso helps in selling and transporting the products as it was a trade route at the time. As it is known Egypt has almost no rainfall so the only way crops can get water is through the Nile river.
Answer:
A food chain shows how energy flows from one organism to another. In general, energy flows from the Sun to producers and then to consumers. The path is linear as the energy present in one step is transferred to the next. You can find specific examples of this pathway in an ecosystem
