Phy Sci chapter five

Question 0

Magnesium is located to the right of sodium because Magnesium has what

Answer 0

More protons

Question 1

In Mendeleev’s periodic table, elements in each column had similar what

Answer 1

Properties

Question 2

As you move from left to right across the periodic table, elements do what

Answer 2

Become less metallic

Question 3

How was Mendeleev’s periodic table arranged

Answer 3

By increasing atomic masses

Question 4

What is Mendeleev known for

Answer 4

Publishing the first periodic table

Question 5

When did Mendeleev create a new row in his periodic table

Answer 5

When chemical properties were repeated

Question 6

Mendeleev left gaps in his periodic table because

Answer 6

No known elements fit there

Question 7

The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements

Answer 7

Periodic law

Question 8

A horizontal row of elements in the periodic table

Answer 8

Period

Question 9

A vertical column of elements in the periodic table; elements in this share chemical properties

Answer 9

Group

Question 10

What are the periodic trends in the periodic table the result of

Answer 10

Electron arrangement

Question 11

What accounts for similar properties

Answer 11

Valence electrons

Question 12

What is an element’s location in the periodic table related to

Answer 12

Electron arrangement

Question 13

What kind of ions do group 1 form

Answer 13

Positiv

Question 14

What kind of ions do group 17 form

Answer 14

Negative

Question 15

What do elements in each category have

Answer 15

Similar properties

Question 16

An element that is shiny and that conducts heat and electricity well

Answer 16

Metal

Question 17

What are some properties of metals

Answer 17

Easily drawn into thin wires (ductile)
Easily shaped or formed (malleable)
Shiny

Question 18

An element that conducts heat and electricity poorly

Answer 18

Nonmetal

Question 19

What are some properties of nonmetals

Answer 19

Poor conductors of electricity
Poor conductors of heat
Not malleable or ductile
Not shiny

Question 20

An element or compound that com dicta electric current better than an insulator does but not as well as a conductor does

Answer 20

Semiconductor (metalloid)

Question 21

What are some properties of semiconductors

Answer 21

Share properties with metals and nonmetals
Conduct electricity under certain conditions
Main components of chips in computers and in other electronic devices

Question 22

What does each element family have in common

Answer 22

They have the same number of valences electrons

Question 23

What are the 3 families of metals

Answer 23

Alkali metals
Alkaline-earth metals
Transition metals

Question 24

One of the elements of group 1 of the periodic table

Answer 24

Alkali metal

Question 25

One of the elements of group 2 of the periodic table

Answer 25

Alkaline-earth metal

Question 26

One of the metals that can use the inner shell before using the outer shell to bond

Answer 26

Transition metal

Question 27

What metals are very reactive

Answer 27

Alkali

Question 28

What are some properties of alkaline metals

Answer 28

``` Soft Shiny Similar melting points Similar boiling points Similar densities ```

Question 29

What metals form compounds that are found in limestone and in the human body

Answer 29

Alkaline-earth metals

Question 30

What are some properties of alkaline-earth metals

Answer 30

Hard Dense Strong High melting points

Question 31

What metals are in the middle of the periodic table

Answer 31

Transition metals

Question 32

What are some properties of transition metals

Answer 32

Hardest of the metals Densest of the metals Highest melting points of the metals

Question 33

What are the 2 families of nonmetals

Answer 33

Noble gases | Halogens

Question 34

One of the elements of group 18 of the periodic table

Answer 34

Noble gas

Question 35

One of the elements of group 17 of the periodic table

Answer 35

Halogen

Question 36

What gases are relatively inert

Answer 36

Noble gases

Question 37

What do noble gases exist as

Answer 37

Single atoms instead of molecules

Question 38

Why are noble gases inert

Answer 38

Their s and p orbitals are filled | They do not form ions or compounds

Question 39

What nonmetals combine easily with metals to form salts

Answer 39

Halogens

Question 40

How do halogens become stable

Answer 40

The addition of a single electron

Question 41

What do halogens combine easily with | What do they form

Answer 41

Metals (especially alkali) | Salts

Question 42

How many other nonmetals are on the right side of the periodic table

Answer 42

6

Question 43

What can form many compounds

Answer 43

Carbon

Question 44

How many carbon-containing compounds are there

Answer 44

Millions

Question 45

Able to conduct heat and electricity under certain conditions

Answer 45

Semiconductors