concept 2 notes

Question 1

matter

Answer 1

Anything that has mass and occupies space

Question 2

atom

Answer 2

smallest particle in the world

Question 3

cell

Answer 3

the most basic unit of life

Question 4

water

Answer 4

Molecule made of two atoms of hydrogen one atom of oxygen

Question 5

Polar molecule

Answer 5

Unequal distribution, Dissolves in water

Question 6

Nonpolar molecule

Answer 6

Does not dissolve in water, no seperation

Question 7

cohesion

Answer 7

The attraction between molecules of the same substance

Question 8

adhesion

Answer 8

Same as cohesion stronger bonds

Question 9

hydrophilic

Answer 9

Water “loving”, dissolves easily

Question 10

Hydrophobic

Answer 10

Water “fearing” ,does not dissolve in water