The Periodic Table and Periodic Law

Question 1

Amount of energy required to completely remove an electron from a gaseous atom

Accepted Answer

Ionization energy

Question 2

Group 1A elements, for example lithium and sodium

Accepted Answer

Alkali metals

Question 3

Elements with properties of both metals and nonmetals

Accepted Answer

Metalloids

Question 4

Atoms gain or lose electrons in order to acquire a full set of eight valence electrons

Accepted Answer

Octet rule

Question 5

Elements that have luster, ductile, malleable, and conductors of heat and electricity

Accepted Answer

Metals

Question 6

Group 2A elements, for example magnesium and calcium

Accepted Answer

Alkaline earth metals

Question 7

Group 8A elements, for example helium and neon

Accepted Answer

Noble gases

Question 8

Elements that are dull, brittle, and nonconductors (insulators)

Accepted Answer

Nonmetals

Question 9

A horizontal row of elements with the same principal energy

Accepted Answer

Period

Question 10

Found in the outermost orbitals of atoms, why elements in the same family have same properties

Accepted Answer

Valence electrons

Question 11

Group 7A elements, for example fluorine and chlorine

Accepted Answer

Halogens

Question 12

Groups of elements that lie between metals and nonmetals

Accepted Answer

Transition elements

Question 13

A vertical column of elements which is also known as a family

Accepted Answer

Group

Question 14

Tendency for an atom to attract electrons to itself when it is combined with another element

Accepted Answer

Electronegativity

Questions 14