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Worksheets21-nov-2019 benchmark study guide
Total questions: 80
Worksheet time: 40mins
How are Democritus' and Hui Shi's atom similar?
they are indivisible
they are invisible
they are building blocks for everything else
they have electrons
they have a nucleus
How are Democritus' and Hui Shi's atom different?
they are indivisible
they are invisible
they are building blocks for everything else
they have electrons
they are the same
How are Dalton's and Hui Shi's atom different?
they are indivisible
they are invisible
they are building blocks for everything else
Dalton had evidence
they are the same
How are Thomson's and Rutherford's atom different?
Thomson's had electrons
Rutherford's had a nucleus
Thomson's had a nucleus
Rutherford's had electrons in orbits
they are the same
How are Thomson's and Rutherford's atom similar?
Thomson's had protons
Rutherford's had a neutrons
Thomson's had a nucleus
Rutherford's had electrons in orbits
they had electrons
What did Bohr say about the electrons in the atom?
electrons could only occupy certain stable energy levels
electrons can change energy levels by absorbing of emitting radiation
electrons are stuck in the atom like chocolate chips in a cookie
the electrons are in the nucleus
How is the Electron Cloud different from Bohr's model of the atom?
the Electron Cloud has electrons in orbits around the nucleus
Bohr's model has electrons in a cloud around the nucleus
the Electron Cloud has electrons that can change energy levels
Bohr's model has electrons in fixed orbits
Which of the following is a picture of Dalton's atom?
Which of the following is a picture of Democritus' atom?
Which of the following is a picture of Hui Shi's atom?
Which of the following is a picture of J. J. Thomson's atom?
Which of the following is a picture of Niels Bohr's atom?
Which of the following is a picture of the Electron Cloud?
What is the charge of the electron?
-1e
+1e
0
What is the charge of the neutron?
-1e
+1e
0
What is the charge of the proton?
-1e
+1e
0
What is the symbol for gold?
Au
Ag
Go
Gd
Gl
What is the symbol for plutonium?
Pu
P
Pt
Po
What is the symbol for neodymium?
Nd
N
Ne
Ny
What is the symbol for platinum?
Pu
P
Pt
Po
What is the symbol for iridium?
I
Ir
Id
Iu
What is the name of the element with 12 protons?
Magnesium
Carbon
Manganese
Silicon
How many neutrons does Magnesium have?
12
24
15
17
How many electrons does Cl have?
17
35
36
18
How many neutrons does Cl have?
17
35
36
18
How many protons does At have?
85
210
125
295
What is the mass number of At?
85
210
125
295
What element has 20 protons?
calcium
neon
krypton
sodium
How many electrons is in a neutral element with 20 protons?
20
40
10
30
How many electrons are in a neutral atom of Sb?
51
121
122
71
How many neutrons are in a neutral atom of Sb?
51
121
122
71
How many neutrons are in a neutral atom with 34 protons?
34
78
79
45
What is the atomic number of a neutral atom with 34 protons?
34
78
79
45
What is the mass of U?
238
92
146
235
How did Dimitri Mendeleev arrange the periodic table?
by atomic number
by mass number
by neutron number
by baryon number
How did Henry Moseley arrange the periodic table?
by atomic number
by mass number
by neutron number
by baryon number
Where are the most metallic elements?
the left side of the periodic table
the right side of the periodic table
the top of the periodic table
the bottom of the periodic table
Where are the least metallic elements?
the left side of the periodic table
the right side of the periodic table
the top of the periodic table
the bottom of the periodic table
What is a period?
a row of elements on the periodic table
a column of elements on the periodic table
a vector of elements on the periodic table
a matrix of elements on the periodic table
What is a group?
a row of elements on the periodic table
a column of elements on the periodic table
a vector of elements on the periodic table
a matrix of elements on the periodic table
Arrange the following elements from least metallic to most metallic: As, Mn, Ti, Br, Ge, Se
Ti, Br, Mn, As, Se, Ge
Br, Se, As, Ge, Mn, Ti
Ge, As, Ti, Br, Se, Mn
Br, Tl, Se, Mn, Ge, As
Arrange the following elements from most metallic to least metallic: I, Ag, In,Nb,Ru, Pd
Nb, Ru, Pd, Ag, In, I
I, In, Ag, Pd, Ru, Nb
Ag, Nb, I, Ru, In, Pd
Ru, Pd, I, Ag, Nb, In
Why do elements in the same group have similar properties?
they have the same number of valence electrons
they have the same number of electrons
they have the same number of valence protons
they have the same number of valence neutrons
How many valence electrons does Ge have?
4
32
41
73
14
How many valence electrons does Sb have?
5
51
122
71
15
How many valence electrons does At have?
7
85
210
17
125
Are Cl and H similar or different?
similar
different
Are Cu and Au similar or different?
similar
different
What is electron configuration?
the arrangement of electrons in their orbitals around the atom
the arrangement of protons in their orbitals around the atom
the arrangement of neutrons in their orbitals around the atom
the arrangement of baryons in their orbitals around the atom
Are C and I similar or different?
similar
different
What is the electron configuration of H?
1s1
1s22s2
1s22s12p2
1s21p3
What is the electron configuration of N?
1s22s22p3
1s7
1s22s12p4
1s21p32s2
What is the electron configuration of F?
1s22s22p5
1s9
1s22s12p43s2
1s21p32s22p2
What is the electron configuration of Al?
1s22s22p63s23p1
1s13
1s22s12p43s23p4
1s21p32s22p23p4
What is the electron configuration of Cl?
1s22s22p63s23p5
1s17
1s22s12p43s23p44s24p4
1s21p32s22p23p64s2
What are the three main categories of elements?
metals
nonmetals
semiconductors
halogens
noble gases
Which of the following is an alkali metal?
Li
Au
Ar
Ba
Cs
Which of the following is an alkaline earth metal?
Cl
Cu
Ra
F
Mg
Which of the following is a transition metal?
Cu
Ba
Kr
Y
In
Which of the following is a noble gas?
He
Hf
Rb
Rn
Cl
Which of the following is a synthetic element?
I
Te
Cl
Cu
Es
Which of the following is the most reactive metal?
Y
At
Zn
Sr
Fr
Which of the following is the most reactive nonmetal?
Li
Cr
O
F
C
What are elements?
substances that cannot be broken down more simply
substances that have been combined chemically
substances that have been combined physically
compounds
What are compounds?
2 or more substances that can be broken down into those simpler substances
substances that cannot be broken down more simply
substances that have been mixed together
What is a pure substance?
a substance that occurs in a fixed ratio
a substance made of 2 or more substances that can be broken down into those substances
a substance that cannot be broken down more simply
What is a mixture?
a combination of two or more substances that have not been chemically combined
a substance made of 2 or more substances that can be broken down into those simpler substances
a substance made of atoms of the same element
A strange fluid has a density of 3.62g/cm3 and a volume of 306mL. What is the mass of the fluid?
1110g
84.5g
0.0118g
302g
What volume would a 0.871 gram sample of air occupy if the density of air is 0.0129 g/mL?
67.5mL
0.0148mL
0.0112mL
A stone has a mass of 200 grams. When it is immersed in a measuring cylinder of water, the water rises by 100 milliliters. What is the density of the stone?
2g/mL
0.5g/mL
100g/mL
20000g/mL
A stone has a mass of 200 grams. When it is immersed in a measuring cylinder of water, the water rises by 100 milliliters. What is the density of the stone?
2g/mL
0.5g/mL
100g/mL
20000g/mL
