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Atoms, Periodic Table and Bonds Flashcards | StudBud
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Atoms, Periodic Table and Bonds
Atoms, Periodic Table and Bonds
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A review of chapters 4, 5 & 6 of Pearsons Physical Science textbook.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Who developed the first periodic table?
Vladimir Lenin
Dmitri Smirnov
Dmitri Mendeleev
Alexi Sokolov
2
What is the ionic formula when the Magnesium ion, (2+), combines with Phosphorus (3-)?
Mg2P3
3Mg2P
Mg2P3
Mg3P2
3
A polar molecule is a covalent molecule
that takes electrons from its bonding pair.
that is cold, very cold.
that is white in color.
where the electrons are not evenly shared.
4
What are valence electrons?
The electrons with a charge.
Electrons that occupy the innermost energy levels.
The electrons that occupy the outermost energy level.
All the electrons of an element.
5
In metals, the metal atoms are surrounded by
other metals to form alloys.
other metal atoms.
a sea of electrons.
a sea of anions
6
Who used a cathode-ray tube to discover that atoms have a negative part that was the electron?
Ernst Rutherford
Erwin Schrodinger
John Dalton
J. J. Thomson
7
What parts of the atom contain
all
the mass?
Only Electrons
Only Protons
Electrons and Protons
Protons and Neutrons
8
What percentage of the time will you find an electron in the electron cloud?
10%
25%
75%
90%
9
Alloys are
weaker than their parent metals.
better that their parent metals.
composed only of metals.
unremarkable.
10
Which element "block" is moved under the Periodic Table to make it more compact?
the P Block
the F Block
the S Block
the D Block
11
What is the number of electrons that elements want to obtain to become "stable"?
12
16
8
2
12
Who's model was used in a TV show about a boy genius?
Erwin Schrodinger
J. J. Thomson
Ernst Rutherford
John Dalton
13
Who's atomic model is a solid sphere?
Ernst Rutherford
Democritus
John Dalton
J J Thomson
14
What is the name of the molecule P
2
F
4
?
Biphosphorus quadrafluoride
Phosphorus fluoride
Phosphorus-2 fluoride-4
Diphosphorus tetrafluoride
15
Who's atomic model was developed by a Mathematician?
John Dalton
Ernst Rutherford
Democritus
Erwin Schrodinger
16
Which of the following is
not
a element class?
Nonmetals
Metalloids
Metals
Ions
17
A binary compound contains how many elements?
4
8
2
6
18
What are the charges of the following elements as ions: K, N, Al, Se?
1, 15, 13, 16
4+, 15-, 3+, 16-
1-, 3+, 3-, 2+
1+, 3-, 3+, 2-
19
Who's atomic model placed the electrons in "orbits" around the nucleus?
Neils Bohr
John Dalton
J. J. Thomson
Erwin Schrodinger
20
Group 2A elements are called
Halogens
Alkaline earth metals
Noble Gases
Alkali metals
21
Most metals form _________ which are _______.
Cations // negative
Anions // positive
Anions // negative
Cations // positive
22
Group 7A elements are called
Noble Gases
Alkaline earth metals
Alkali metals
Halogens
23
What are polyatomic ions?
A group of atoms with many sides.
A group of atoms with a negative charge.
A group of atoms with a positive charge.
A group of atoms with a positive or negative charge.
24
Groups are the __________ in the periodic table.
Rows
Columns
25
Ionic bonds _______, covalent bonds ________.
melt // don't
are charged // are neutral
bend // brake
take // share
26
How many valence electrons are in the Nitrogen group?
2
4
5
3
27
The Cation, Lead(IV), has what charge?
8+
no charge
4-
4+
28
What is the only atom that does
not
have a proton, a neutron and an electron?
Hydrogen
Neon
Helium
Sodium
29
Periods are the __________ in the periodic table.
Columns
Rows
30
Most nonmetals are _________ which are ______.
Anions // negative
Cations // negative
Anions // positive
Cations // positive
