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Periodic Table and Bonding Flashcards | StudBud
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Periodic Table and Bonding
Periodic Table and Bonding
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1
Which element found on the periodic table is seen below?
boron
oxygen
carbon
neon
2
Which of the following identifies the number and location of protons in one atom of lithium?
3 protons, located in the nucleus
7 protons, located in the nucleus
3 protons, located in an atomic orbital
7 protons, located in an atomic orbital
3
The total charge of which group of particles is neutral?
12 neutrons
12 protons
6 neutrons and 6 electrons
6 neutrons and 6 protons
4
Name the following compound:
Al
2
S
3
Aluminum Sulfate
Aluminum Sulfur
Dialuminum Trisulfide
Aluminum Sulfide
5
Which family do these elements belong to?
halogens
alkali metals
noble gases
alkaline earth metals
6
An atom has 29 protons, 29 electrons, and 35 neutrons. What is the mass number of the atom?
35
64
93
29
7
Based on its position on the periodic table, which of the following is a nonmetal?
vanadium (V)
potassium (K)
bromine (Br)
nickel (Ni)
8
What is the result of an ionic bond?
rapid release of atomic energy
sharing of one or more electrons
diffusion across the membrane
creation of positive and negative ions
9
Which of the following statements is true concerning the chemical bonds of methane?
the bonds are ionic
the bonds occur between a metal and a nonmetal
electrons are transferred
electrons are shared
10
Which is an accurate comparison of the atomic number and mass of copper (Cu) and gold (Au)?
Au has a smaller atomic mass and fewer electons than Cu
Au has the same atomic mass as Cu but greater atomic number
Au has both greater atomic number and atomic mass than Cu
Au has the same atomic number as Ci but greater atomic mass
11
Cl forms an ionic bond with K. Cl forms a covalent bond with C. Which statement is correct?
Cl electrons are transferred to C and transferred to K
Cl electrons are sharred with C and transferred with K
Cl electrons are transferred to C and sharred with K
Cl electrons share with C and K
12
An atom contains 36 electrons, 49 neutrons, and 38 protons. Which BEST describes this atom?
ion with charge of 2+
mass of 49 amu
mass of 85 amu
ion with a charge of 36-
13
How many electrons are in the outermost energy shell of aluminum atom?
14
13
3
2
14
What determines the atomic number of an element?
total number of protons, neutrons, and electrons
number of protons in the atomic nucleus
the ability to react with one atom of H
number of valence electrons
15
Which BEST describes atoms that form compounds by covalent bonding?
they have a large difference in valence electron number
they can be found in the same period in periodic table
they share electrons between them
they have a large difference in atomic mass
16
Which statement best describes the elements in the Noble Gas family?
combine readily with reactive metals
nonreactive and have a valence number of 0
react with oxygen to form gaseous molecules
highly flammable
17
Of the following, which is the MOST reactive when combining with nonmetals like oxygen (O)?
H
Na
Mg
K
18
Of the following, which element has the most valence electrons?
Sn
Fe
Hg
Xe
19
What is the correct chemical formula for the compound nitrogen triflouride?
NF3
NF
N3F3
N3F
20
What is the main similarity among elements in group 2?
chemical properties
atomic radius
boiling point
mass number
21
Which of the following elements is a metalloid?
phosphorus
magnesium
silicon
cobalt
22
What would be created by adding or removing protons from the nucleus of an atom?
a positively charged ion of the same element
a negatively charged ion of the same element
an atom with the same atomic number
an atom of a different element
23
Which pair of elements will form a covalent bond?
K and Cl
S and F
Ne and O
Na and Cu
24
Which statement is true?
gases share electrons and form positive ions
metals tend to lose electrons & form positive ions
nonmetals tend to lose electrons and form positive ions
metalloids do not form compounds readily
25
Why is an increase in atomic number related to an increase in atomic mass?
more neutrons present in nucleus
more protons present in nucleus
more electrons orbitibing the nucleus
more electrons present in nucleus
26
Which are transferred or sharred when two atoms react chemically?
neutrons
protons
electrons
protons & electrons
27
Which of these statements is true about Na?
Na is less reactive than K when combining with nonmetals
Na is a gas and does not combine with other elements
Na is reactive nonmetal & combines with other nonmetals
Na is less reactive than Mg when combining with nonmetals
28
Name the following compound:
P
2
O
5
Phosphorus Oxide
Pentaphosphorus Dioxide
Phosphorus Trioxide
Diphosphorus Pentoxide
29
Which group in the periodic table forms ions that have a valence of 3
-
?
Group 15
Group 1
Group 3
Group 13
30
Which is the correct formula for the compound lithium chloride?
LiCl2
LiCl
ClLi
LiCl2
