BIOL 1201 Chapter : Chapter 2 Biology

8 views3 pages
15 Mar 2019
School
Course
Professor

Document Summary

Chapter 2- the chemical context of life: organisms are composed of matter, which is anything that takes up space and has mass, matter is composed of elements. An element is a substance that cannot be broken down to other substances by chemical reactions: 4 elements make up about 96% of living matter, carbon (c, hydrogen (h, oxygen (o, nitrogen (n) There is an unequal sharing of the electrons: for example: the water molecule h-o-h, bonds of this type are generally hydrophilic in nature (laundry detergent) In the water molecule, the oxygen atom is more electronegative than the hydrogen atoms fig 2-13 (oxygen holds electrons longer than hydrogen) After donating an electron, it still has protons, but now only has 10 electrons: now has a charge of +1, chlorine is an anion. R-o-h------nh3: part 2- then, another electronegative atom (n) is attracted to the.

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers
Class+
$30 USD/m
Billed monthly
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
7 Verified Answers

Related Documents

Related Questions