Periodic table

Whish element has 47 electrons

Ag Silver

Newlands

Atomic mass

Which has the largest atomic radius Ne Rn He

Rn

Which has the smallest atomic radius Po S Te

S

Which element has this electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d1

Sc Scandium

Which has the largest atomic radius C Sn Si

Sn

Which has the smallest atomic radius Sn In Sr

Sn

Groups are

Vertical

Noble gas configuration for Bromine

[Ar] 4s2 3d10 4p5

Whats a noble [ ] gas configuration for Silver Ag

[Kr] 5s2 4d9

How many Valence Electrons does NA have

1

How many Valence electrons does Hydrogen have

1

Long configuration for Chlorine

1s2 2s2 2d

What is the electron configuration for Cl

1s2 2s2 2p6 3s2 3p5

Meyer and Mendeleev

Moder periodic table

What is an s orbital

O

What is an p orbital

&

How many valence electrons does As have

5

Which element has this electron configuration [Ar] 4s2 3d10 4p5

Br Bromine

Which element has this electron configuration 1s2 2s2 2p6 3s2 3p6 4s2

Ca Calcium

Periods are

Horizontal