Chapter 8 - Periodic Table Of Elements

Question 1

Proponent of Periodic Table and whe

Answer 1

Dmitri Mendeleev

1870

Question 2

Elements are arranged by atomic mass where similar proporties recur periodically

(Arranged in columns)

Answer 2

Periodic law

Question 3

Outer electrons of the representative elements

Answer 3

Valence electrons

Question 4

Isotopes that have similar electronic configuration when they are in their ion form

Answer 4

Isoelectronic

Question 5

Increasing right to left

Top to bottom

Answer 5

Atomic Radius

Question 6

Positive charge felt by an electron

Answer 6

Effective nuclear charge

Question 7

Increasing left to right

Bottom to top

Answer 7

Nuclear Charge
First Ionization Energy
Electron Affinity
Electronegativity

Question 8

Minimum energy required to remove an electron from a gaseous atom in its ground state

Answer 8

Ionization energy

Question 9

Negative of the energy change that occurs when an electron is accepted by an atom in the gaseous state to form an anion

Answer 9

Electron affinity

Question 10

Increasing diagonally to the:

A. Left
B. Right

Answer 10

Acidity

Metallic Behaviour

Question 11

Increasing downward

Answer 11

Reactivity