What pattern is revealed when the elements are arranged in a periodic table in order of increasing atomic number

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

Which states of matter have particles that move independently of one another with very little attraction?

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.