DeLeon Chemistry- chapters 10 and 11 tests
alkali metals generally form ions with a charge of
+1
alkaline earth metals generally forms ions with a charge of
+2
halogens generally form ions with a charge of
-1
elements of Group 6A generally from ions with a charge of
-2
how many valance electrons are present in an atom of carbon in the ground state?
4
which sublevel will contain electrons with the lowest energy?
4s
what is the number of valance electrons in a chlorine atom in the ground state?
7
the "halogens" are in group
7A
the number of valance electrons for most members of noble gass family is
8
what is the maximum number of electrons that can occupy the second principal energy level?
8
what is the total number of electrons in the second principal energy level of a sodium atom in the ground state?
8
what is the total number of valance electrons in a lithium sulfide formula unit?
8
what is the total number of valance electrons in a molecule of ammonia?
8
what is the total number of valance electrons present in a NH4+ ion?
8
in the following molecular shape, the bond angles are
90 degrees
given the formula GaP, what is the formula for aluminum and nitrogen?
AlN
which element is in the p-block of the periodic table?
B
on the periodic table, the "transition elements" are found in the
B groups
given the formula Sr3P2, what is the formula for barium and arsenic?
Ba3As2
which of the following ions has the smallest radius?
Be2+
which scientist developed the idea that electrons exist in specific regions at various distances from the nucleus?
Bohn
which of the following elements has the lowest ionization energy?
C
which of the following compounds contains a triple bond in its Lewis structure?
CO
which of the following is a nonpolar molecule?
CO2
given the formula BaS, what is the formula for calcium and oxygen?
CaO
which of the following 3rd period elements as the smallest atomic radius?
Cl
which element is in the d-block of the periodic table?
Cr
which of the following would require the largest amount of energy to remove the second electron?
K
bonds between which of the following two elements would involve a complete transfer of electrons?
K and I
the element having electronic configuration [Ne] 2s^2 2p^6 is
p block element
each horizontal row on the periodic table is called a
period
atoms of which elemnt has the following electron configuration? 1s^22s^22p^63s^33p^3
phosphorus
the electron configuration, [Ne] 3s1 3p3, is the ground state electron configuration of
phosphorus
bond formed between elements with electronegativities 1.2 and 3.0 would be
polar covalent
the electron configuration, [Ar] 4s1, is the ground state electron configuration of
potassium
on the periodic table, elements in the same period contain the same number of
principal energy levels in their ground state
when an electron falls from one energy level to a lower energy level, the result is the emission of
quantized energy
which of the following regions of the electromagnetic spectrum has the lowest energy?
radio waves
atoms of which element has the following electron configuration? 1s^22s^22p^63s^1
sodium
the shape of a carbon tetrachloride CCl4 molecule is
tetrahedral
the molecular shape shown in the following figure is
trigonal planar
the shape of a boron trifluoride BF3 molecule is
trigonal planar
the shape of AsH3 is
trigonal pyramidal
on the periodic table, elements in the same group contain the same number of
valance electrons in their ground state
the distance between two consecutive wave peaks is known as
wavelength
given the formula Na3P, what is the formula for lithium and nitrogen?
Li3N
which of the following atoms has the largest radius?
Mg
which of the following molecules contain one lone pair of electrons on the central atom?
NH3
which one has a trigonal pyramidal structure?
NH3
which element is in the s-block of the periodic table?
Na
which of the following does not represent the correct formula for a compound of sodium?
NaS
which of the following ions has the largest radius?
O2-
which of the following elements have the largest atomic radius?
P
given the formula Cs2O, what is the formula for rubidium and sulfur?
Rb2S
which is not a linear molecule?
SO2
which of the following does not have a noble gas electron configuration?
Sb+5
which of the following sets of atoms is arranged in order of increasing electronegativity?
Si, P, S
which of the following series is ranked in order of increasing electronegativity?
Sr, Sn, N, O
which of the following atoms has the largest radius?
Te
a Lewis electron dot symbolizes
all the valance electrons in the ground-state of an atom
a Ca+2 ion has an electron configuration similar to that of
argon
an S2- ion has an electron configuration similar to that of
argon
the number of waves that pass a particular point per second is known as
frequency
atoms of the nonmetallic elements generally form ions by
gaining electrons, forming negative ions
the lowest possible energy level for an electron is known as
ground state
each vertical column on the periodic table is called a
group
on the periodic table, elements that behave in a similar manner are found in the same
group
a polar covalent bond will form between which two atoms shown in the following combinations?
hydrogen and chlorine
as one progresses from top to bottom of a group on the periodic table, atomic radius generally
increases
which type of chemical bond involves the transfer of electrons?
ionic
which element forms an ion that is smaller than its atom?
lead
atoms of the metallic elements generally form ions by
losing electrons, forming positive ions
how many orbitals are contained in the 3d sublevel?
10
what is the maximum number of electrons that can occupy a d-sublevel?
10
what is the total number of electrons present in a O-2 ion?
10
what is the maximum number of electrons that can occupy the 4f energy level?
14
what is the total number if valance electrons in a molecule of carbon dioxide?
16
what is the maximum number of electrons that can occupy the third principal energy level?
18
what is the total number of electrons present in a Ca+2 ion?
18
what is the total number of valance electrons present in a NO2- ion?
18
which of the following regions of the electromagnetic spectrum has the longest wavelength?
microwave
what is the maximum number of electrons that can occupy the first principal energy level?
2
the "alkaline earth metals" have
2 valance electrons
which does not exist as an electron sublevel?
2d
how many orbitals are contained in the 2p sublevel?
3
which element forms an ion that is larger than its atom?
nitrogen
which pair of atomic numbers represents s block elements
3, 12
what is the maximum number of electrons that can occupy the fourth principal energy level?
32
what is the total number of valance electrons present in a Po4^3- ion?
32
which type of chemical bond involves the equal sharing of electrons?
nonpolar covalent
in the third principal energy level, which sublevel contains electrons with the greatest energy?
3d
which sublevel will contain electrons with the lowest energy?
3s
how many valance electrons are present in an atom of cesium in the ground state?
1
how many valance electrons are present in an atom of hydrogen in the ground state
1
in the periodic table, the elements having lowest ionization energy are present in
1 group
a nonpolar covalent bond will form between which to atoms as shown in the following combinations?
chlorine and chlorine
on the periodic table, the "transition elements" fill their last electron the the _____ sublevel
d
the element having the electronic configuration [Ar] 4s^23d^8 is
d block element
as one progresses left to right across a periodic table, atomic radium generally
decreases