13867279
Descrição
Quiz por Elizabeth Nguyen, atualizado more than 1 year ago
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Criado por Elizabeth Nguyen
aproximadamente 6 anos atrás
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Questão 1
Questão
The atomic mass in the periodic table is highest in the
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upper left corner
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upper right corner
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lower left corner
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lower right corner
Questão 2
Questão
Which element has the highest atomic mass?
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copper (atomic number 29)
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gold (atomic number 79)
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platinum (atomic number 78)
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silver (atomic number 47)
Questão 3
Questão
In the periodic table, metals are best described as located
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on the left side
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on the right side
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in the first two rows
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in the last two rows
Questão 4
Questão
In the periodic table, which column (group) contains the most halogens?
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1A
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2A
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7A
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8A
Questão 5
Questão
The electronegativity of an element indicates the relative ability of its atoms to attract electrons in a chemical bond. According to the graph, as you move across a period on the periodic table, the atomic number
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increases and the electonegativity increases
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increases and the electonegativity decreases
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decreases and the electonegativity increases
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decreases and the electonegativity decreases
Questão 6
Questão
The ionization energy of an element indicates the energy it takes to remove an electron from the outermost level. As you move down a group in the periodic table, the ionization energy
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decreases because the electron is farther from the nucleus
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increases because the number of protons increases
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decreases because the number of neutrons increases
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increases because of the size of the atom increases
Questão 7
Questão
How many electrons does the element found in the second row and second column of the periodic table have available for bonding?
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0
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1
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2
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4
Questão 8
Questão
Why are the elements in column 17 of the periodic table have in the outer shell?
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They have only one electron in their outer electron shells, so they frequently form singly charged positive ions
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They have only two electrons in their outer shells, so they frequently bond with doubly charged negative ions.
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They need only two electrons to complete their outer shells, so they easily bond with doubly charged positive ions.
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They need only one electrons to complete their outer shells, so they easily bond with many types of elements
Questão 9
Questão
Which part of the atom has the least amount of mass?
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first s orbital
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neutrons
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nucleus
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protons
Questão 10
Questão
An atom
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is much larger than its nucleus
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is much lighter than its nucleus
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is much denser than its nucleus
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has a higher positive charge than its nucleus
Questão 11
Questão
Where are the lanthanide and actinide elements located on the periodic table?
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the first row
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the first two rows
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two rows normally shown as in insert
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the middle columns
Questão 12
Questão
Which elements are not found naturally?
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actinide elements
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lanthanide elements
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transuranium elements
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uranium elements
Questão 13
Questão
In the periodic table, which block represents the d sublevel?
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W
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X
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Y
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Z
Questão 14
Questão
An atom with the electron configuration
1s^2 2s^2 2p^4 is most likely
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a metal that forms a positive ion
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a metal that forms a negative ion
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a nonmetal that forms a positive ion
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a nonmetal that forms a negative ion
Questão 15
Questão
Robert Millikan dropped negatively charged oil droplets inside and outside an electric field to see
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if oil drops fell faster than electrons
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if oil drops fell faster than protons
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how their rates of falling would be affected by a positively charges plate
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if negatively charged particles were attracted to a positively charged plate
Questão 16
Questão
Albert Einstein proposed that electromagnetic energy is contained in
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electrons
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photons
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protons
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quarks
Questão 17
Questão
The Bohr model of the atoms was also known as the
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balloon model
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igeneous rock model
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planetary model
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plum pudding model
Questão 18
Questão
Niels Bohr's model of the atom helped to explain
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particles passing through foil
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spectral lines
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the formation of isotopes
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the properties of hydrogen
Questão 19
Questão
The figure below shows the bright line spectra of four elements and a spectrum from a star. According to the spectrum, which elements are present in this star?
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elements A and B
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elements B and C
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elements A and C
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elements B, C, and D
Questão 20
Questão
Based on the equation E=hv, which is not a possible value for an energy change?
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hv
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2hv
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2^2hv
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6.626hv
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