Science Quiz 2/19

Question 1

Define Physical Property

Answer 1

Characteristics that can be observed by the senses and can be determined without destroying the chemical makeup of the substance

Question 2

What are some examples of physical property?

Answer 2

Color, Mass, Length, density, specific heat, odor

Question 3

Define density

Answer 3

the amount of matter contained in a specific volume

Question 4

How do you find density?

Answer 4

Mass/volume

Question 5

Define matter

Answer 5

Anything that has mass and takes up space

Question 6

Define mass

Answer 6

Measure of the amount of mass in a substance

Question 7

Define volume

Answer 7

the amount of 3 dimensional space that an object occupies

Question 8

Define immiscible

Answer 8

• Used to describe density of liquids

- Doesn’t mix

Question 9

Define miscible

Answer 9

Does mix

Question 10

Define ductility

Answer 10

the property of a material describing its ability to be polled or shaped into a long wire

Question 11

Define malleability

Answer 11

the property of a material describing its ability to be hammered into thin sheets

Question 12

Define solubility

Answer 12

how likely a substance is to dissolve in water

Question 13

What to Chemical properties indicate?`

Answer 13

Indicates the likelihood of a substance reacting with something else

Question 14

Examples of chemical properties

Answer 14

Flammability, reactivity, chemical stability, radio-activity, half life

Question 15

Define Physical change

Answer 15

original substance still exist

Question 16

Define Chemical change

Answer 16

a new substance is produced

Question 17

Define atom

Answer 17

the smallest portion of matter that can still retain unique characteristics of an elements (building blocks of matter)

Question 18

Define element

Answer 18

the simplest substance that cannot be broken down

Question 19

What is the atomic number?

Answer 19

Number of protons

Question 20

What is the atomic mass

Answer 20

Number of protons and neutrons

Question 21

Define Proton

Answer 21

positively charged particle in the nucleus of the atom. Determines element

Question 22

Define Neutron

Answer 22

Particles with no charge that exist in the nucleus of most atoms

Question 23

Define electrons

Answer 23

Negatively charged particle that exists in the space around the nucleus