The periodic table is organized by the atomic number which is the number of protons in an element which also equals the number of electrons. Mass minus number = the electrons. The groups of the periodic table tell us how many shells are on the element and the family number tell us how many valence electrons are there on the valence shell. I dont exactly understand what you mean by atoms properties however these are some patterns found on the periodic table.
The correct answer is letter D. Though choosing an appropriate work out attire is a contributing factor for increasing your motivation to exercise, it is not totally necessary to buy or invest in expensive items when beginning an exercise program.
<span>What matters is you choose to wear something that you feel comfortable with especially when moving.</span>
Vomiting, rigorous diet, fasting
