Atoms, elements and the periodic table

Question 1

Periodic Law

Answer 1

Periodic Law states that when the elements are organized into a table according to atomic number, the chemical and physical properties of the elements repeat in a regular, periodic pattern.

Question 2

The Period Related Pattern

Answer 2

The period in the periodic table corresponds to the number of electron shells for each of the elements in that row

Question 3

The Group Related Pattern

Answer 3

A column in the periodic table is called a GROUP

electrons behave in exactly the same manner in terms of gaining or losing the same number of electrons to form an ion

Question 4

Lewis Structures

Answer 4

Ignoring the transition metals, the Lewis structures of all the elements in the same group always have the same number of dots around their symbols (representing their valence electrons)

Question 5

The Octet Rule

Answer 5

During a chemical reaction, the main goal for an element is to end up with a full outer energy level

Question 6

How do elements achieve Octet

Answer 6

Elements can do this by gaining (non-metals), losing (metals), or sharing electrons (non-metals)

when they get it then its stable

Question 7

Isoelectronic

Answer 7

If any elements or ions have the same number of electrons, they are isoelectronic