2.2 electronic structures and the periodic table

Question 1

What determines an elements position on the periodic table?

Answer 1

The atomic (proton) number of an element determines its position on the periodic table

Question 2

What determines an atoms chemical properties?

Answer 2

The number of electrons in the outermost shell (highest energy level) of an atom determines its chemical properties

Question 3

What does the group number of an element represent?

Answer 3

The group number and the periodic table equals the number of electrons in the outer shell of an element

Question 4

Do the atoms of metals and non-metals lose or gain electrons?

Answer 4

The atoms of metals tend to lose electrons, whereas those of nonmetals tend to gain electrons

Question 5

Where are the noble gases located in the periodic table?

Answer 5

The noble gases are in group 0

Question 6

Why a noble gases unreactive?

Answer 6

They have very stable electron arrangements