Water, life, and molecule Flashcards
1
Q
How much of the human body is made of water
A
60-75%
2
Q
How much of the world is covered in water
A
70%
3
Q
What is dihydrogen monoxide
A
A water molecule (h2o)
4
Q
How are hydrogen atoms and oxygen atoms held together?
A
2 hydrogen atoms, 1 oxygen atom are held by polar covalent bonds
5
Q
What do polar covalent bonds do
A
Thet hold together atoms for water
6
Q
Is a vet shape molecule linear or nonlinear
A
Nonlinear
7
Q
A