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Chemistry 1 practice test 2

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AB CHEMISTRY 1 | PRACTICE TEST SET #2
1. The abbreviation of an element name is
called __________
a. atomic mass c. element name
b. atomic number d. element symbol
2. The number of protons inside the nucleus of
an atom or the number of electrons
surrounding the nucleus of an atom.
a. atomic mass c. element name
b. atomic number d. element symbol
3. The number of protons and neutrons inside
the nucleus of an atom.
a. atomic mass c. element name
b. atomic number d. element symbol
4. Ernest Rutherford discover the nucleus of an
atom through what experiment?
a. Cathode Ray c. Oil Drop
b. Plum Pudding d. Gold Foil
5. He proposed that the electrons could only
orbit the nucleus in certain special orbit at
different energy levels around the nucleus.
a. Neil’s Bohr c. J.J Thompson
b. James Chadwick d. Ernest Rutherford
6. Which of the following is TRUE about James
Chadwick?
a. he discovered protons and measured its mass.
b. he discovered electron and measured its charge
c. he discovered neutron and measured its mass
d. he discovered atom and identify its parts.
7. Which of the following statement explains
John Dalton’s view about atoms.
a. he make a model of an atom by using an orbit
b. he proposed that all matter is composed of very
small things which he called atom.
c. he proposed the plum pudding model
d. he discovered the parts of an atom namely:
electron, proton and neutron
8. He discovered the charge of the electron by
the use of oil.
a. Robert Milikan c. J.J Thompson
b. James Chadwick d. Ernest Rutherford
9. He discovered the electron and proved that
the atom are not indivisible particles.
a. Robert Milikan c. J.J Thompson
b. James Chadwick d. Ernest Rutherford
10. The atoms central core is called _______
a. electrons c. nucleus
b. neutrons d. protons
11. He is the father of modern chemistry and
laid experimental foundation of modern
chemistry.
a. John Dalton c. James Chadwick
b. Antoine Lavoisier d. J.J Thompson
12. According to this law matter cannot be
created nor destroyed in an ordinary chemical
reaction.
a. law of conservation of energy
b. law of conservation of mass/matter
c. law of definite proportion
d. law of multiple proportion
13. A group of atom that have an electric charge
is called ______
a. atoms c. molecule
b. matter d. ions
14. Aluminum is a metal belongs to boron
group and has a charged of ________
a. 4+ c. 3+
b. 2- d. -
15. States that energy cannot be created nor
destroyed but it can only be transform to
another form.
a. law of conservation of energy
b. law of conservation of mass/matter
c. law of definite proportion
d. law of multiple proportion
16. Law of Definite Proportion states that every
compound has affixed proportion or elements
combined in definite proportion by weight, who
among the following chemist proposed this
law?
a. John Dalton c. Antoine Lavoisier
b. Joseph Proust d. Ernest Rutherford
17. Refers to the basic unit of matter and the
defining structure of elements.
a. atoms c. molecule
b. matter d. ions
18. Which of the following is not belong to
Dalton’s Atomic Theory?
a. all matter is composed of tiny indivisible atoms
b. all matter is divisible into smaller pieces called
atoms
c. an element is a type of matter composed of only
one kind of atom, each atom of a given kind having
the same properties
d. a compound is a type of matter composed of
atoms of two or more elements chemically
combined in fixed proportions

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19. They are made up of atoms that are held
together by chemical bonds as a result of the
sharing or exchange among atoms.
a. atoms c. molecule
b. matter d. ions
20. Fluorine has a valence electron of ____
a. 7 c. 5
b. 6 d. 4
21. Cr
2+
has a stock name of Chromium (II) how
about its classical name.
a. chromic c. chromous
b. chromium 2+ d. chronic
22. A stable group of atoms that carries an
overall electrical charge
a. anions c. monoatomic ions
b. cations d. polyatomic ions
23. All of the following ions below are cations,
EXCEPT?
a. Ca
2+
c. Ag
+
b. K
+
d. H
-
24. Barium has a valence electron of 2, what is
its charge once it become ionized?
a. 2+ c. 3+
b. 2- d. 4-
25. Xenon has a valence electron of ________
a. 1 c. 3
b. 2 d. 0
26. Mg
2+
+ O
2-
__________
a. Mg
2
O
2
c. MgO
2
b. Mg
2
O d. MgO
27. Name the compound formed in item # 26.
a. dimagnesium dioxide c. magnesium dioxide
b. magnesium oxide d. dimagnesium oxide
28. Sn
4+
+ F
-
_________
a. SnF
4
c. SnF
b. Sn
4
F d. Sn
4
F
4
29. In item #28 what is the classical name of the
compound formed?
a. stannous fluoride c. stannic fluoride
b. tin (IV) d. tin (IV) fluoride
30. Na
+
+ Br
- -
NaBr , what is the compound
name?
a. Sodium Bromide c. Sodium Bromine
b. Sodium Bromite . d. Sodium Bromate
31. Cr
3+
+ S
2-
________
a. Cr
3
S
2
c. CrS
b. Cr
2
S
3
d. Cr
4
S
4
32. Base from the correct answer in item #31
what is the stock name of the compound
a. trichromium disulfide c. Chromous (III) sulfide
b. Chromic (III) sulfide d. Chromium (III) sulfide
33. P
2
O
5
what
is the name of this compound?
a. phosphorus oxide c. diphosphorus pentoxide
b. diphosphorus oxide d. phosphoric oxide
34. Which of the following is the formula of
carbon tetrachloride?
a. C
4
Cl
4
c. C
4
Cl
b. CCl d. CCl
4
35. Which of the following is the chemical
formula for sodium bisulfate?
a. NaHS0
4
c. Na
2
HS0
4
b. NaHS0
3
d. NaHS0
36. C
2
H
3
O
2
-
this is a polyatomic ion namely ___?
a. oxalate c. permanganate
b. acetate d. thiosulfate
37. Name the given polyatomic ion: P
2
O
7
4-
a. pyrophosphate c. diphosphate
b. biphosphate d. phosphite
38. What is the chemical formula of perchlorate
a. ClO
2
-
c. ClO
4
-
b. ClO
3
-
d. ClO
-
39. Which of the following is the correct formula
for nitrite?
a. NO c. NO
-
b. NO
2
-
d. NO
3
-
40. Name this acid: HBr(aq)
a. hydro bromic acid c. hydrogen bromide
b. hydro bromine d. hydrogendibromide
41. Name this polyatomic ion: C
2
O
4
2-
a. oxalate c. permanganate
b. acetate d. thiosulfate
42. What is the product of this reaction
Ba
2+
+ PO
3
3-
a. Ba
3
PO
2
c. Ba
3(
PO
3
)
2
b. Ba
2
PO
3
d. Ba
2(
PO
3
)
2
For Items 43-54 name the following compounds.
43. Al(CN)
3
a. aluminum nitrite c. aluminum tricyanid
b. aluminum cyanide d. aluminum cyanate
45. Be(OH)
2
a. beryllium oxide c. beryllium hydoxide
b. beryllium cyanide d. beryllium cyanate
46. Mn(C
2
H
3
O
2
)
2
a. magnesium oxalate c. manganese oxalate
b. magnesium acetate d. manganese acetate

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AB CHEMISTRY 1 | PRACTICE TEST SET #2 1. The abbreviation of an element name is called __________ a. atomic mass c. element name b. atomic number d. element symbol 2. The number of protons inside the nucleus of an atom or the number of electrons surrounding the nucleus of an atom. a. atomic mass c. element name b. atomic number d. element symbol 3. The number of protons and neutrons inside the nucleus of an atom. a. atomic mass c. element name b. atomic number d. element symbol 4. Ernest Rutherford discover the nucleus of an atom through what experiment? a. Cathode Ray c. Oil Drop b. Plum Pudding d. Gold Foil 5. He proposed that the electrons could only orbit the nucleus in certain special orbit at different energy levels around the nucleus. a. Neil’s Bohr c. J.J Thompson b. James Chadwick d. Ernest Rutherford 6. Which of the following is TRUE about James Chadwick? a. he discovered protons and measured its mass. b. he discovered electron and measured its charge c. he discovered neutron and measured its mass d. he discovered atom and identify its parts. 7. Which of the following statement explains John Dalton’s view about atoms. a. he make a model of an atom by using an orbit b. he proposed that all matter is composed of very small things which he called atom. c. he proposed the plum pudding model d. he discovered the parts of an atom namely: electron, proton and neutron 8. He discovered the charge of the electron by the use of oil. a. Robert Milikan c. J.J Thompson b. J ...
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