Charges is then there is a negative sign at the right corner of an element it means you have to add, and when it is positive, it means you have to substract
Answer:
Choice B, as time goes on the surface level rises and stuff buried underground gets further and further below surface level.
Answer:
Modern periodic law
Explanation:
There are many ways of stating the modern periodic law. Generally, the modern periodic law states that the properties of elements are a periodic function of their atomic numbers. That means, similar properties recur periodically when elements are arranged according to increasing atomic number.
Two scientists were largely responsible for our present day understanding of the modern periodic law, they are, Mendeleev and Moseley. Their work laid the foundation for the periodic table in its current form.
