chem 2 chapter 8
alkali metals have the lowest ionization energy
pick out the correct. statement from the following
1,2, and 13 to 17
representative elements are in group_____
main group elements
representice elements are also called _____
ionization energy
the property, which decreases along a group from top to bottom is _____
ionization energy
the property, which increases from left to right in the period is____
KNO₃
the salt present in gunpowder is ____
F
the smallest atom in group 7A is ____
d
the subshell which is gradually filled in the transition metal is ____
Sc³+
the transition metal ion which is isoelectronic with Ar is _____
ionization energy
the trend of the atomic radius is opposite to the trend of the ____
atomic weight
Mendeleev's periodic table is based on ____
F⁻
Mg²+ is isoelectronic with ____
Fe³⁺
Mn²⁺ will be isoelectronic with ___
frequency x-rays; atomic number
Moseley correlated ______ of elements with their______
the same
isoelectronic ions have _____ electronic configuration
krypton
mono atomic gas of the following is ___
F₂
pale yellow gas is ____
Pb
the largest atom in group 4A
I
the largest halogen atom of the following is ____
Br
the liquid in the fourth period is___
Mg
the metal present in Epsom Salt is ___
Cd
the metal which does not form a trivalent cation is ___
Cr³⁺
the metal with the electronic configuration [Ar]3d³ is ____
Fr
the most reactive element of the following is ___
Rb
the most reactive metal in the fifth period is ___
5
the number of valence electrons in phosphorus is _____
Al³⁺
1s²2s²2p⁶ is the electronic configuration of ____
NaHCO₃
Baking powder is ____
He
Be²⁺ will be isoelectronic with ___
Ar
Cl⁻ will be isoelectronic with ___
C
Element A will be similar in properties to ____
nitrogen
Element F belongs to the ____ group.
F⁻
N³⁻ will be isoelectronic with ___
F⁻
O²⁻ is isoelectronic with ____
first
Sc to Zn are called _____ row transition metals
Cl⁻
S²⁻ will be isoelectronic with __
Ar
Ti⁴+ is isoelectronic with _____
Br₂
a dark-red liquid of the following is ___
neon
a monoatomic gas at 1 atm and 29 degrees C is ______
C
a noble gas of is ___
P
a non-metal of the following is______
halogen
an atom has 17 electrons. the element is a/an _____
Cesium
an element existing in the monoatomic state is _____
carbon
an element having an extensive three-dimensional structure is
Al
an element in group-13(3A) of the following is____
phosphorus
an element in the tetra atomic state is ____
alkaline Earth metal
an element with atomic number-20 is ___
Fe
an element with atomic number-26 is ___
Hg
an example of a metal is ______
Ba
an example of a metalloid is ___
Fe
an example of a representative element is _____
Pd
an example of a transition metal is _____
Rb
an example of an element in group IA is_____
P
an example of an element in group-5A is ____
Cl
electron affinity is highest for ___
F
element B will be similar in properties to element ____
noble gas
element E is a ____
alkali metal
element E is a/an ___
noble gases
elements having eight electrons in their valence shell are _____
seven
halogens have ____ electrons in their outermost shell
S
six valence electrons are present in _____
Cs
the Atom with the largest Atomic radius of the following is ____
A, D
the alkaline earth metals are ____
-190°C
the boiling points of neon and krypton are -245.9°C and -152.9°C. the boiling point of argon could be
Na
the coolant used in a nuclear reactor is ___
Na>Mg>Al>Cl
the correct order of atomic radius of the following is ____
Mg²⁺<Na⁺<F⁻<O²⁻
the correct order of ionic radii of the following is ____
O²⁻<F⁻<Na⁺<Mg²⁺
the correct order of ionization energy of the following is ____
A²⁺< A⁺
the correct order of radius of an atom A, to its ion is ____
Mg²⁺<Na⁺<F⁻<O²⁻
the correct order of radius of the following is ____
O²⁻>Mg²⁺
the correct order of radius of the following is ____
O²⁻<S²⁻
the correct order of the size of the atom or ion of the following is ____
B
the element "D" will be similar in properties to ____
4A
the element Sn is in group____
transition metal
the element [Ar]4s²3d⁸ is a/an ____
15th
the element [Ne]3s²3p³ is in the ____ group
1st
the element [Ne]3s¹ is in the group ____
Si
the element having higher ionization energy than magnesium is
Mg
the element having much higher third ionization energy is _____
Al
the element having three valence electrons is _____
Sb
the element in the 5th period in the nitrogen group is ___
all of the above
the element with atomic number 17 is ____
17th
the element with atomic number 17 is placed in the ___ group of the IUPAC periodic table
Mg
the element with atomic number less than 20 and similar to strontium is ___
alkali metals
the elements having ns to the first configuration in their outermost shell are ____
Br
the halogen element in the fourth period is ____
Zn²⁺
the ion having d¹⁰ configuration in the outermost shell is ___
A
which is a halogen
E
which is not a gas?
9
which of the following atomic numbers represents halogen
Zn
which of the following does not form a monovalent cation?
Hf
which of the following elements is not in group-7A?
Li and Mg
which of the following elements shows diagonal relation
F
which of the following has the highest ionization energy
Cl⁻
which of the following ions is greater in size compared to the corresponding atoms?
KCl
which of the following is NOT a binary compound of the third period?
As
which of the following is a metalloid
Ca
which of the following is an alkaline earth metal?
oxygen
which of the following is diatomic?
Al³+
which of the following is isoelectronic with Na+
density
which of the following is not a periodic property
Ni
which of the following is not a representative element?
K+
which of the following is not isoelectronic with Na+
H⁻
which of the following is the biggest in size
atom-atom
which of the following pairs cannot be isoelectronic
Br
which of the following shows greater tendency towards the formation of an anion
elements in a group have similar properties
which of the following statements is true?
Mg²⁺
which of the following will not have the configuration 1s²
F
wich is a noble gas?
