WorksheetsKebab Quiz
Total questions: 47
Worksheet time: 24mins
1 - Many scientists including dimitri mendelev and henry moslev...
mosley was first
mendelev was able to predict future
moslet and mendeleev both presented
mendeleev was father of henry mosley
2 - What is the main difference betweeen mendeleev original periodic table
mendeleev aranged by mass modern is atomic
mendelev aranged by atomic number
mendelev by mass, modern by nerutron
both are same
3 - Use the data in the table to determine what elem,ents are metasl
a and d are metals
b c and d
d
a
4 - based onm periodic table which 3 atomic numbers are in smae group
3,11,19
11,12,13
9,15,17
1,3,6
5 - number of valence electrons in C is
1
2
8
7
6 - Based on bohr model, what properties
p:9
n:10
highly reactive metal
non reactive metal
highly reactive nonmetal
nonreactive non metal
8 - Data table shows four elements in same period, which statement is true regarding phosphorous
phosphorous has a greater nuclear charge than sodium magnesium resulting in a greater ionization energy
phosphorous has a grearter nuclear charge trhan chlorine
phosphourous is moire metallic than sodium
phosphorous is more metallic than chlorine
9 - following data table shows scientist who contributed to atomic theory and their atomic models
model a
model b
model c
model d
12 - What is charge of ion below
p9
n10
-1
+1
0
+9
14 - WHat will happen to frequence of a wave if wavelength decreases
freq. will decrease
freq will remain unchanged
freq will increase
freq cannot be determined
if a person is most likely to get sunburn from 1.21 x 10^17 Hz, what energy
5.48 x 10^-51
8.02 x 10^-17
7.29 x 10^40
1.83 x 10^53
16 - calculate avg atomic mass of a sample of lithium
6.5
6.93
50
692
17 - There are 3 naturally occuring isotopes of oxygen. 15.999 amu
oxy-16
oxy - 17
oxy - 18
all are equal
18 - sulfure has 1s2 2s2 2p6 3s2 3p4, how many valence
2
4
6
8
20 - students in a chemistry class are discussing how electronegativity is related to chemical bonding, which student has provided an accurate claim
Everleigh
Biffany
Cale
Zaquiri
21 - which of the following formulas is correctly matched
p2o5- phosphourous V oxide
SiF4 - silicon tetraflouride
N2S4 - nitrogen sulfide
NaO2 - sodium dioxide
22 - glazing is a method used to color pottery and ceramics. Ni2(CrO4)3 name
nickel chromate
nickel II chromate
nickel III chromate
nickel IV chromate
23 - which one of the following pairs of covalent names and formulas are correctly matched
phosphourous pentasulfide - P2S5
monophosphourous dioxide - NO2
dinitrogen trioxide - N2O3
sulfur oxide - SO2
24 - which of the following beakers is correcly labled w magnesium sulfide
A - MgS
B - Mg2SO4
C - Mg2S
D - MgS2
25 - which of the following pairs are correctly named
I III and IV
II and IV
I and IV
???
26 - Correct electron dot for a molecule of oxygen gas
_
:O = O:
.. ..
:O = O:
:O = O:
27 - What is the shape of the molecule below
..
N
/ | \
H H H
trigonal pyramid
trigonal planar
bent
unable to be determined from the diagram
28 - Which of the following statements correctly decrbribes the shape of CO2
CO2 only has double bonds, bent
CO2 has no lone pairs of electrons on the central atom which makes it LINEAR
CO2 contains ionic bonds which makes it bent
CO2 has 3 atoms which makes it trigonal planar
29 - given the CCl4 molecule, determine thre molecular polarity and bond polarity
CCl4 is a polar molecule with NON polar C-cl bonds
CCl4 is a non polar with polar C-Cl bonds
CCl4 is a polar with polar C-Cl bonds
CCl4 is a non polar with non polar C-Cl bonds
30 - metallic bonding can be seen below
this type of bonding can be described as the attraction between
cations and anions
cations and the sea of electrons
metals and nonmetals
anions and the sea of electrons
31 - Which of the following illustrates the intermolecular force of hydrogen bonding
..
:O -- H
| .
H .
Na+......... :S ---- H
|
H
32 - Using ur knowledge of INTRAmolecular forces which of the following unknown substances most likely has a transfer of electrons
substance 1
Substance 2
Substance 3
Substance 4
33 - in the diagram below, and alka seltzer was added to a bottle and capped off immidietly, how much gas was given off
25 g
22 g
27 g
5 g
34 - the equation listed below represents the combustion of butane. What coefficients are required to balance this
1 6 4 5
1 13 4 5
2 13 8 10
2 26 16 10
35 - which stubstance could bne substituted for X to form a balanced equation
MgOH
2OH
Mg(OH)2
MgOH2
37 - Which statements best explains what happens when the following substances are mixed
They will not dissolve bc one is ionic and one is nonpolar
they will dissolve because both are nonmetals
they will not because one is polar and one is nonpolar
they will because both are polar
38 - A crystal of salt dissolves when it is added to a solution of salt water. how is the og solution of salt water
Unsat
concentrated
diluted
sat
40 - according to the graph below, which curves could represent gases dissolved in water.
a and d
b and c
c and d
a and b
41 - during a lab that is designed to investigate the process of dissolving... which has no effect on results
amt of stirring
shape of container
amt of salt and sugar
water temp
42 - an open can of soda has been sitting on your desk and has gone flat, why has this occured
soda became less agitated increasing solubility of carbon dioxide
surface area increased, decreasing solubility
temp decreased, decreasing solubility
temp increased, decreasing solubility
43 - predict products of
AgNO3 (aq) + NaCl (aq)
AgCl(aq) + NaNO3(aq)
AgCl(s) + NaNO3 (aq)
AgCl(aq) + NaNO3(s)
AgCl(s) + NaNO3(s)
44 - Predict following reaction
Na2S(aq) + NH4OH (aq)
NaOH(aq) + (NH4)2S(aq)
NaOH(s) + (NH4)2S(aq)
NaOH(aq) + (NH4)2S(s)
NaOH(s) + (NH4)2S(s)
45 - Describe how entropy changes in the containers below
Entropy increases
Decreases
stays the same
lost
47 - Which of the following best describes what is happening to the energy while a candle is burning
The potential energy of wax is destroyed
Potential and kinetic are same of wax
kinetic of wax is becoming potential
potential energy of wax is becoming kinetic energy
Both beakers 1 and 2 contain electrolytes
beaker 1 nonelectrolyte beaker 2 has electrolyte
beaker 1 has electrolyte, beaker 2 doesnt
neither has electrolytes
Which model shows how water surrounds ions in solutions
Which of the following graphs best illustrates the 3rd law of thermodynamics
The graph below shows how electronegativity varies with increasing atomic number within a period.
electronegativity increases as atomic number increases
electronegativity decreases as atomic number increases
electronegativity increases as atomic decreases
electronegativity is = to atomic
Diagram below represents the electromagnetic spectrum, what decreases from left to right
energy
energy and frequency
energy and wavelength
frequency and wavelength
which letter shows valence electrons
a
b
c
d
Starting from the atoms, select the correct sequence to formation of lithium oxidide
Which of the following is the correct isotopic notation for the element on the chart below
58
Co
27
37 +2
Co
27
31
Co
27
58 +2
Co
27
