Y10 - Periodic Table - 2 (Electron configuration and Group 0)

All elements in the same Group of the Periodic Table have.......

• the same number of electrons

• the same number of protons in the nucleus

• the same number of electrons in their outer shell

• the same number of electron shells

All elements in the same Period of the Periodic Table have.......

• the same number of electrons

• the same number of protons in the nucleus

• the same number of electrons in their outer shell

• the same number of electron shells

How many electrons does sodium have in its outer shell?

• 1

• 2

• 3

• 4

How many electrons does nitrogen have in its outer shell?

• 4

• 5

• 6

• 7

Which of the following is the electron configuration of an element in Group 3?

• 2,8,8

• 2,8,3

• 2,8,8,1

• 2,1

Which of the following is the electron configuration of an element in Period 2?

• 2,8,2

• 2,8,8

• 2,1

• 2,8,8,2

How many electron shells does sulfur have?

Why do all of the elements in Group 0 have similar chemical properties (why do they react in similar ways)?

• they have the same number of electrons

• they have the same number of protons

• they are all gases

• they have the same number of electrons in their outer shell

Why do all of the elements in Group 1 have similar chemical properties (why do they react in similar ways)?

• they have the same number of electrons

• they have the same number of protons

• they are all metals

• they have the same number of electrons in their outer shell

Which of the following is NOT a property of the noble gases?

• inert

• gaseous

• reactive

• colourless