Family Characteristics

Question 1

Alkali metals

Answer 1

• group 1
• most reactive metals
• tend to donate electrons in reactions
• low melting and boiling point
• less dense
• highly reactive
• large atomic radii
• all found naturally in nature but not in pure form

Question 2

Alkaline earth metals

Answer 2

• easily lose electrons
• shiny and silvery (pure form, rarely appear in pure form)
• low ionization energy, electron affinity, low electronegatvity
• ## good conductors

Question 3

Halogens

Answer 3

• more reactive than other nonmetals
• very reactive with groups 1 and 2
• high in EN, EA, and IE

Question 4

Noble gases

Answer 4

• extremely non-reactive
• largest ionization energy
• stable
• low melting and bioling points

Question 5

metals

Answer 5

• solids under standard conditions
• high melting points and densities
• highly malleable and high ductility
• low ENC, EN, IE
• large atomic radius, small ionic radius
• good conductors of heat and energy

Question 6

nonmetals

Answer 6

• poor conductors
• high IE, ENC, EN
• small atomic radii and large ionic radius

Question 7

transition metals

Answer 7

• high electric conductivity
• low EA, EN, IE
• high melting and bioling pts

Question 8

metalloids

Answer 8

• solids
• brittle
  -semi conductive
• ductile and malleable
  -metallic luster
• easily form anions

Question 9

islands of stability

Answer 9

p6>d10>d5>p3>s2

Question 10

p block exception order

Answer 10

s>p>d