electronsOpt

electronsOpt - 100s of free ppts from www.pptpoint.com...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
The groups, and electron dot diagrams 100’s of free ppt’s from www.pptpoint.com library
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Elements can be divided into groups, or families. Element Families Why do atoms combine? 1 Each column of the periodic table contains one element family. Hydrogen is usually considered separately, so the first element family begins with lithium and sodium in the first column.
Background image of page 2
Element Families Why do atoms combine? 1 Just as human family members often have similar looks and traits, members of element families have similar chemical properties because they have the same number of electrons in their outer energy levels.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Neon and the elements below it in Group 18 have eight electrons in their outer energy levels. Noble Gases Why do atoms combine? 1 Their energy levels are stable, so they do not combine easily with other elements.
Background image of page 4
At one time these elements were thought to be completely unreactive, and therefore became known as the inert gases. Noble Gases
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 19

electronsOpt - 100s of free ppts from www.pptpoint.com...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online