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Mid Year Exam Review for Honors Chemistry Flashcards | StudBud
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Mid Year Exam Review for Honors Chemistry
Mid Year Exam Review for Honors Chemistry
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1
Which of the following is a chemical change in matter?
liquid silica forms glass
carbon dioxide is given off when vinegar and baking soda combine.
water evaporating
burning paper
2
Elements that make up the f-orbitals are called
Lanthanides and Actinides
Alkaline Earth Metals
Halogens
Alkali Metals
3
This scientist used the planetary model of the atom to describe the arrangement of electrons around the nucleus.
Thomson
Bohr
Rutherford
Heisenberg
4
The correct name for Fe(NO
2
)
2
is
iron (III) nitrite
iron (II) nitrate
iron (III) nitrate
iron (II) nitrite
5
This english school teacher is considered the father of the atomic theory.
Thomson
Rutherford
Democritus
Dalton
6
Mass number is the number of protons and electrons in an element.
False
True
7
How many carbon atoms in 12.01 grams of carbon?
12 atoms
6.02 x 1023 atoms
1 mole of atoms
8
How would the following number be written in scientific notation: 0.006 78
6.7 x 103
6.7 x 10 -3
6.78 x 10-3
6.78 x 103
9
This scientist is credited with discovering the electron in the atom.
Heisenberg
Rutherford
Bohr
Thomsen
10
The atomic number of an element is
the number of protons of the element
the mass of the element
the number of neutrons of the element
1 mole of the element
11
What element has this electron configuration? 1s
2
2s
2
2p
6
3s
2
3p
5
chlorine
lithium
sodium
fluorine
12
The oxidation number on Sulfur in H
2
SO
4
is
+2
-2
+6
-6
13
A strong intermolecular attraction between a highly electronegative atom and a hydrogen atom.
Hydrogen bonding
dipole
diatomic
ductile
14
What is the molar mass of CO
2
?
18 g/mol
13 g/mol
38 g/mol
44 g/mol
15
Aluminium-27 has how many neutrons?
I don't have any idea!
13
27
14
16
Accuracy is defined as how close a measurement is to the true value.
False
True
17
In which of the following are all the zeros considered nonsignificant.
402
400.0
1.089
0.0065
18
A group of atoms that are bonded together with covalent bonds but also carrying an ionic charge.
polyatomic ion
dipole
ion
molecule
19
How would the following number be written in scientific notation: 34 500 000
3.5 x 10-7
3.5 x 107
3.45 x 107
3.45 x 10-7
20
Homogeneous mixtures are also called
colloids
compounds
solutions
suspensions
21
The elements that make up the d-orbitals are called
Transition Metals
Alkali Metals
Alkaline Earth Metals
Noble Gases
22
The measure of the ability of an atom to attract electrons in a chemical compound.
electron affinity
ionization energy
electronegativity
atomic radii
23
The Group 17 elements are called
Metalloids
Noble Gases
Halogens
Transition Metals
24
The correct formula for aluminum sulfate is
AlSO3
Al2(SO4)3
Al3(SO4)2
AlSO4
25
Which of the following is an extensive property
melting point
volume
density
boiling point
26
The shiny appearance of a metal is most closely related to the metal’s
covalent bonding
ionic bonding
sea of electrons
27
This scientist was credited with discovering the nucleus of the atom.
Thomson
Rutherford
Heisenberg
Bohr
28
How many significant figures in 103,467.3
five
one
six
seven
29
The Main Group elements are those in orbitals
d and p
s and d
d and f
s and p
30
Which of the following is an example of a physical change
melting ice
burning paper
Statue of Liberty tarnishes
rusting nail
31
The element with the highest electronegativity is:
Lithium
Fluorine
Chlorine
Sodium
32
How is the following number written in standard notation: 3.2 x 10
3
(Hint: use the correct number of significant figures
3200
320
320.
3200.
33
An isotope is an element that has either a positive or negative charge.
True
False
34
How many significant figures in 0.00650
three
four
five
two
