Unit 2 quiz 1

Question 1

Matter

Answer 1

Anything that has mass and takes up space

Question 2

element

Answer 2

Something only made up of one kind of atom

Question 3

Six Elements of basic life

Answer 3

carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorus

Question 4

Compound

Answer 4

substance that is made from atoms of 2 or more elements

Question 5

covalent bonds

Answer 5

sharing electrons

Question 6

Ionic bonds

Answer 6

gaining/losing electrons

Question 7

polar mulecule

Answer 7

molecule with an unequal distrobution.

Question 8

Polarity of water

Answer 8

water is a polar molecule which allows it to form hydrogen bonds with other molecules

Question 9

Cohension

Answer 9

water’s attraction to other water molecules

Question 10

Adehesion

Answer 10

Water’s attraction to other objects

Question 11

Surface tension

Answer 11

The tightness across the surface of the water

Question 12

Capillary action

Answer 12

Water’s ability to creep up thin tubes (due to adhesion & Cehesion)

Question 13

High Specific heat

Answer 13

How much heat is needed to raise the temperture of water

Question 14

solution

Answer 14

A mixture of 2 things mixed evenly

Question 15

solvent

Answer 15

What does the dissolving (water)

Question 16

solute

Answer 16

What you are dissolving (sugar/salt)

Question 17

solable

Answer 17

can dissolve in water

Question 18

insolable

Answer 18

can’t dissolve in water

Question 19

hydrophilic

Answer 19

polar molecules, can dissolve in water

Question 20

hydrophobic

Answer 20

nonpolar molecules, can’t dissolve in water

Question 21

Acids

Answer 21

taste sour, have a lot of hydrogen ions

Question 22

bases

Answer 22

taste bitter, have a lot of hydroxide

Question 23

pH scale

Answer 23

measures the amount of hydrogen Ions, is a logarithmic scale