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Periodic table
Page 7
Questions (1,352)
Read each description in the first column of the table below if any chemical element with atomic number of 92 or less matches
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Read each description in the first column of the table below if any chemical element with atomic number of 92 or less matches
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When moving across a period from left to right in the periodic table (excluding transition elements) which trend occurs?(1
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of cesium, Cs, hafnium, Hf, and gold, Au, which element has the smallest atomic radius? explain in terms of trends in periodic
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jerson
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What happens to the atomic mass of the elements moving from left to right within a period?
The atomic mass decreases. The atomic
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Where are the most reactive metals on the periodic table?
to the far left at the top in the middle to the far right
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Boron is one position to the left of carbon on the periodic table. The atomic number of carbon is 6. Given its position on the
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What happens to the atomic mass of the elements moving from left to right within a period?
It decreases. It increases. It
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Which contains elements with similar properties in the periodic table? a period a row a column
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How many valence electrons does each member of the boron family have? 2 4 5 3
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Which are most closely associated with an element on the periodic table?
Those in the same row. Those in the same state (i.e.,
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Why is Mendeleev’s periodic table considered a viable scientific model?
It showed that Lavoisier’s table was incorrect. It
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Which statement describes the periodic law?
Atomic masses always increase across a period. Nonmetals are of the most reactive
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What do all elements in the same period on the periodic table have in common?
They have the same number of orbitals. They have
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The discovery of what element showed the usefulness of Mendeleev’s periodic table ?
germanium gallium scandium aluminum
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Video Question #1 How are the elments arranged on the periodic table?
a lightest to heaviest b periods and groups c alphabetical
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Video Question #2 Are the lighter elements found at the top or the bottom of the periodic table?
a top b bottom
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Which elements on the periodic table are the least reactive? (1 point)
Responses the group with fluorine at the top the group
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Why are the noble gases the least reactive elements? (1 point)
Responses They have an empty inner electron shell. They have an
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blu
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Use the periodic table to answer the question.
An illustration shows the periodic table of elements. The elements in the periodic
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asked by
blu
153 views
Use the periodic table to answer the question.
An illustration shows the periodic table of elements with elements arranged in
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blu
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Which two groups of elements in the periodic table table are the most reactive?
1. halogens and noble gases 2. noble gases and
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Alana
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State the reasons for the reactivity of metals and non metals in the periodic table
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Jah Jah
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Neon and argon are both in group 18 of the periodic table. Which property do they most likely share?
1. Strong odor 2. silver
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Alana
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which is most reactive Ga Ge As or Se
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dino83
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Helium is in group 18 of the periodic table. How is helium different from the other elements in this group?(1 point)
Responses
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Two representative elements are in the same period of the periodic table. Which statement correctly describes the atoms of the
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A scientist studies an element that has seven electrons in its outer shell, is fairly toxic, is a gas at room temperature, and
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EMILIANO
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Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share?(1 point)
Responses metallic
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EMILIANO
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Read each description in the first column of the table below if any chemical element with atomic number of 92 or less matches
2 answers
asked anonymously
43 views
Read each description in the first column of the table below if any chemical element with atomic number of 92 or less matches
2 answers
asked anonymously
38 views
Read each description in the first column of the table below if any chemical element with atomic number of 92 or less matches
2 answers
asked anonymously
39 views
Read each description in the first column of the table below if any chemical element with atomic number of 92 or less matches
2 answers
asked anonymously
37 views
Two representative elements are in the same period of the periodic table. Which statement correctly describes the atoms of the
5 answers
asked by
anoy
141 views
The Periodic Table Quick Check
Use the periodic table to answer the question. An illustration shows the periodic table. Which
7 answers
asked by
Mr.Beast's nuts🤤
317 views
Moving from the element with atomic number 10 to atomic number 11 on the periodic table there is a change in reactivity in three
2 answers
asked by
Daniel Park
112 views
Which two groups of elements in the periodic table are the most reactive?(1 point)
Responsesalkali metals and halogens alkali
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asked by
Ghostface
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Hydrogen is in Group 1A of the periodic table, known as the alkali metals, although it obviously isn't a metal. What is the
47 answers
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How many valence electrons would an element in group 17 on the periodic table have?
a 17 b this information cannot be found from
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When moving across a period from left to right in the periodic table (excluding transition elements) which trend occurs?(1
4 answers
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poop
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Which element listed would have the greatest electronegativity?(1 point)
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What is the purpose of the periodic table?
To identify atoms in a compound To organize elements based on their atomic number To
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Which element would have the lowest electronegativity?
Responses an element with a small number of valence electrons and a small
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In which group of elements does tellurium (Te) belong?
(1 point) Responses metalloids lanthanides alkali metals transition metals
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Based on patterns in the periodic table, which element is the least malleable in its solid state?
(1 point) Responses strontium
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Use the periodic table to answer the question.
The elements in the periodic table are arranged in groups (columns numbered Roman
2 answers
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blu
63 views
Use the periodic table to answer the question.
The elements in the periodic table are arranged in groups (columns numbered Roman
2 answers
asked by
blu
194 views
Helium is in group 18 of the periodic table. How is helium different from the other elements in this group?
Responses Helium
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Use the periodic table to answer the question.
An illustration shows the periodic table of elements. The elements in the periodic
2 answers
asked by
blu
86 views
. Which statement describes the properties of lanthanoids and actinoids?(1 point)
A. They are malleable and lustrous, and they
2 answers
asked by
Anonymous
204 views
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Parent Categories (15)
Atomic Structure
Chemical elements
Chemistry
Chemistry Education
Electronegativity
Elements
History of Chemistry
Inorganic Chemistry
Physical Science
Physics
Science
Science (or Chemistry)
Science and Chemistry
Science History
Science/Chemistry