NEW
Font size
WorksheetsCHEM 1305 Exam II
Total questions: 47
Worksheet time: 40mins
How many protons, electrons, and neutrons are in Se2-
34 protons, 34 electrons, 34 neutrons
36 protons, 36 electrons, 79 neutrons
34 protons, 36 electrons, 45 neutrons
34 protons, 36 electrons, 34 neutrons
An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other is 11.01 amu and is 80.1% abundant. What is the average atomic mass? What element is it?
9.0, Beryllium
12.01, Carbon
6.94, Lithium
10.8, Boron
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
Zinc
Copper
Nickel
Germanium
Which electron configuration matches an oxygen atom?
1s22s22p63s2, 3p64s23d104p5
1s22s22p4
1s22s22p6
1s22s22p63s23p64s23d1
What is the electron configuration of Iodine?
[Kr]5s24d105p6
[Kr]5s24d106p6
[Kr]5s25d106p6
None of the above
What electron configuration matches a barium ion?
1s22s22p63s23p64s23d104p65s24d105p66s2
1s22s22p63s23p64s23d104p65s24d105p6
1s22s22p63s23p64s23d104p65s24d105p66s24f2
1s22s22p63s23p64s23d104p65s24d105p46s2
What is the electron configuration for the Sulfur ion?
[Ne] 3s23p6
[Ne] 3s23p2
[Ne] 3s23p4
[Na] 3s23p4
How many protons, electrons and neutrons are in 37Cl?
37 protons, 37 electrons, 37 neutrons
17 protons, 17 electrons, 35.45 neutrons
17 protons, 17 electrons, 20 neutrons
17 protons, 17 electrons, 37 neutrons
How many protons, electrons, and neutrons does Fe3+ have?
26 protons, 26 electrons, 26 neutrons
26 protons, 26 electrons, 56 neutrons
26 protons, 29 electrons, 30 neutrons
26 protons, 23 electrons, 30 neutrons
Which of the following is a nonmetal?
iron
copper
bromine
gold
Name the halogen in period 5.
radon
iodine
chromium
oxygen
Name an alkaline metal in period 2.
beryllium
boron
lithium
fluorine
Which of the following elements from Period 4 will have a larger radius than Zinc?
Bromine
Gallium
Arsenic
Calcium
Which one has the largest radius?
Which pair is isoelectronic?
Na+ and Si4+
S2- and O2-
Mg2+ and Cl-
Arrange the following from lowest to highest ionization energy: Si, F, In, N
Si, F, In, N
N, F, Si, In
F, In, N, Si
In, Si, N, F
Which of the following has the most metallic character?
Ba
H
Mg
Og
How many valence electrons are in P?
5
3
15
2
What is the charge on barium when it becomes an ion?
1+
2+
2-
1-
LiBr is called
lithium bromine
lithium (I) bromine
lithium bromide
lithuim (I) bromide
The name of FeCl3 is
iron chloride
iron (III) chloride
iron (I) chloride
iron trichloride
Name the ionic compound SnSe2
Tin diselenide
Tin (IV) Selenide
Tin selenide
Tin (II) triselenide
Name the following ionic compound: BeCl2
beryllium chlorine
beryllium II chloride
beryllium chloride
beryllium dichloride
Name the following ionic compound: Cs2S
cesium sulfide
cesium sulfate
cesium II sulfate
cesium II sulfide
What is the name of the compound Na2(SO4)?
Sodium sulfate
Sodium sulfide
Sodium sulfite
Sodium sulfuroxide
What is the name of the compound Sc(OH)3?
Scandium (III) hydroxide
Scandium (I) hydroxide
Scandium (II) hydroxide
Scandium hydroxide
The name of the compound Ca3(PO4)2
calcium phosphate
tricalcium diphosphate
calcium phosphorus oxide
calcium phosphide
Al3+ O2-
MgOH2
What is the chemical formula of lithium nitrate?
Li3NO
LiN
Li3N
LiNO3
What is the chemical formula for phosphorus trichloride?
What is the chemical formula for silicon dioxide?
What is the chemical formula for diphosphorus pentoxide?
What is the chemical formula for SiCl4?
What is the name of HNO2?
nitric acid
nitrous acid
hydronitrate acid
nitrite acid
Write the formula for hydroiodic acid?
HIO3
HI
HIO2
HIO
An ionic bond is between
a metal and nonmetal
2 metals
2 nonmetals
A covalent bond is one between
2 metals
2 nonmetals
a metal and a nonmetal
What is the correct Lewis Dot Diagram for the selenium atom?
When an atom loses a valence electron, it becomes a _____________ ion.
positive
negative
neutral
polyatomic
Which of the following is the correct Lewis Dot Diagram for an atom in Group 17?
