Answer: 69.152% → 63^Cu
30.848% → 65^Cu
Explanation:
As you know, the average atomic mass of an element is determined by taking the weighted average of the atomic masses of its naturally occurring isotopes.
Simply put, an element's naturally occurring isotopes will contribute to the average atomic mass of the element proportionally to their abundance.
Explanation:
Answer:
The correct choice is e. Two of the above.
Explanation:
Lithium i think!!
hope this helps
Answer:
The calorie is commonly used in the field of chemistry, and in many countries it is commonly used as a unit of food energy. There are two defined for the calorie, gram calorie (approximately equals 4.2 joules) and kilogram calorie (approximately equals 4.2 kilojoules).
Explanation:
<span> pH is a measure of the effective concentration of </span><span>H+</span> ions a solution. So, <span>an electric field applied to a solution will create a pH gradient.
If pH is 7, means it is neutral. so it will not move in an electric field</span>
