The answer would be D. The only minerals harder than corundum is diamond.
Answer:
$149 depending where you live.
Explanation:
Answer:
It helps us develop our obervation skills and we learn what the egg looks like. We can learn the nutritional values of the egg.
Explanation:
Hope that helped
Answer: Option (A) is the correct answer.
Explanation:
Atomic number of sodium is 11 and its electronic configuration is
.
In order to gain stability, sodium loses one electron and hence it forms a positive ion
.
Thus, we can conclude that when sodium combines with chlorine, it has a net charge of +1 because sodium loses a negative electron when forming chemical bonds.