Answer:
This is because, within a period or family of elements, all electrons are added to the same shell.
Answer:
d an attraction between positive ions and electrons
Steam rises to the top and stays there
Answer:
1. earth metal 2. halogen 3.The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups. ... Elements in the periodic table are organized according to their properties.
Inventor: Dmitri Mendeleev please name most brainliest
Your answer should be:
<span>Extrusive igneous rock</span>
