Ch 5

Question 0

What did Moseley do?

Answer 0

Discovered that the elements fit into patterns better when they were arranged according to atomic number

Question 1

What did Mendeleev do? 2 parts

Answer 1

Saw the elements were arranged in order and organized the periodic table, and saw there was trends in the pattern.

And he predicted the existence and properties of elements that would fill three of the spaces

Question 2

Periodic law

Answer 2

Physical and chemical properties of the elements are periodic functions of their atomic numbers

Question 3

Periodic table

Answer 3

Elements in order of their atomic numbers so that the elements with similar properties fall into the same column

Question 4

How are elements arranged

Answer 4

Vertically in a periodic table

Question 5

What are alkali metals

Answer 5

Elements of group 1

Question 6

Alkali earth metals?

Answer 6

Elements of group 2

Question 7

Helium has an ____ group configuration

Answer 7

Ns2

Question 8

3D sublevel

Answer 8

Higher in energy than the 4s sub level, so these are filled in the order 4s3d

Question 9

D block

Answer 9

Metals with metallic properties and are called transition elements

Question 10

P block

Answer 10

Consist of all elements of groups 13-18 except helium

Question 11

What block is the main group elements

Answer 11

S block