Unit 5

Question 1

Vertical columns on the periodic table are called

Answer 1

Groups/family

Question 2

In the table were is the most active METALS

Answer 2

The first row is the most reactive

Question 3

Where is the Halogen family

Answer 3

Column 17

Question 4

Where is the most reactive nonmetals

Answer 4

Colum 17

Question 5

What do you call the horizontals rows

Answer 5

Series/periods

Question 6

Is corrosion a chemical or physical change

Answer 6

Chemical

Question 7

Kool-aid dissolving in water

Answer 7

Physical

Question 8

Production of bubbles with a color change

Answer 8

Chemical

Question 9

Rubbing alcohol evaporates

Answer 9

Physical

Question 10

Crushing a pop can

Answer 10

Physical

Question 11

How are similar elements arranged in the periodic table

Answer 11

Vertical columns

Question 12

Name 2 properties of nonmetal

Answer 12

Brittle,dull

Question 13

Wood burning in a fireplace

Answer 13

Chemical

Question 14

A glass of milk becomes sour

Answer 14

Chemical

Question 15

Mold “grows” on cheese

Answer 15

Chemical

Question 16

How can you tell if elements belong to the same group

Answer 16

Same rows

Question 17

Which is the most reactive family of nonmetals elements

Answer 17

Halogens

Question 18

The melting points of the metals in the lithium family decrease going down the family. The reason is that going down the family…

Answer 18

Less reactive attracts decrease

Question 19

The repetition of similar properties at regular intervals when elements are arranged by atomic number is known as what law

Answer 19

Periodiclar law

Question 20

What determines the properties of an atom of a specific element

Answer 20

Atomic electron

Question 21

Tomato juice is made form ripe tomatoes

Answer 21

Physical

Question 22

A pencil is sharpened

Answer 22

Physical

Question 23

The flashbulb on a camera flashes

Answer 23

Chemical

Question 24

Road frictions wears away the trend on a fire after driving it 60,000 miles?

Answer 24

Physical

Question 25

How can a scientist distinguish change between Mercury and sulfur

Answer 25

Physical proportion

Question 26

Gas is brown in color

Answer 26

Physical

Question 27

The more dense than air

Answer 27

Physical

Question 28

It forms CO2 when glucose is burned

Answer 28

Chemical

Question 29

It kills germs

Answer 29

Chemical

Question 30

It can dissolve in water

Answer 30

Physical

Question 31

Iron is silvery

Answer 31

Physical

Question 32

Iron becomes red after it is exposed to oxygen

Answer 32

Chemical

Question 33

A substance that is hard,well, is hard and malleable is best classified as

Answer 33

Metal

Question 34

Properties like color odor density and melting point are classified as

Answer 34

Physical

Question 35

The metal chosen to replace copper in 1982 is

Answer 35

Zinc

Question 36

If a material flatten without shattering when tapped with a hammer it is said to be

Answer 36

Malleable

Question 37

Name 2 characteristics of a metal

Answer 37

Conducts electricity,luster

Question 38

The property that allows metals to be drawn into a wire

Answer 38

Ductility

Question 39

Which substance that lose thier outer electrons easliy

Answer 39

Metals

Question 40

Which in the table contains the very unreactive elements

Answer 40

Noble gases

Question 41

The modern periodic table classifies elements according to

Answer 41

Atomic number