The first period consists of:
8 elements
2 elements
16 elements
32 elements
Transition elements are:
D-block
P-block
S-block
F- block
The first ionization energy of neon is higher than that of:
Chlorine
Helium
Fluorine
Bromine
Group II elements are also called:
Halogens
Noble gases
Alkali metals
Alkaline earth metals
Lanthanides and Actinides are called:
D-block elements.
S-block elements.
F-block elements.
Ekaboron in Mendeleev's label was later discovered and is called:
Gallium
Silicon
Scandium
Indium
The scientist who showed that atomic number is the fundamental property of an element.
Bragg
Peount
Hund
Moseley
Group I elements are called:
The greatest credit for producing chemistry's most famous organization of elements is always given to:
Dobereiner
New lands
Mendeleev
Ionization energy is high for:
Group I
Group O
Group IV
Group V
