States that the properties of elements are periodic or recurring and are correlated to their atomic number.
<span>The human body is organized at different levels, starting with the cell. Cells are organized into tissues, and tissues form organs. Organs are organized into organ systems such as the skeletal and muscular systems.</span>
They both are actually the same thing
Rubidium is a alkali metal.
Answer:
d) Nucleus of the element does not change during the react
hope it helps (^^)
# Cary on learning