Questão 1
Questão
The ________________ is an arrangement of elements in columns.
Responda
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column
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rows
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periodic table
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electron shell
Questão 2
Questão
Each column in the periodic table is called a ___________
Questão 3
Questão
Which group of the periodic table is composed of inert (not reactive) gases?
Responda
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alkali metals
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halogens
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alkaline earth metals
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noble gases
Questão 4
Questão
Elements which are shiny, conduct electricity and heat are called _______.
Responda
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metals
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metalloids
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nonmetals
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nonexistant
Questão 5
Questão
Which element is not a metal?
Questão 6
Questão
The elements along the staircase are called...
Responda
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nonmetals
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metals
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transition metals
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metalloids
Questão 7
Questão
Which is a halogen?
Responda
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Helium
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Oxygen
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Chlorine
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Neptune
Questão 8
Questão
Which is an alkali metal?
Responda
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Magnesium
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Sodium
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Iron
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Iodine
Questão 9
Questão
What do we call a horizontal row of elements in the periodic table?
Responda
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column
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group
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matter
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period
Questão 10
Questão
A vertical column in the periodic table contains elements that share similar properties? What are these columns called?
Responda
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row
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period
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group
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valence shells
Questão 11
Questão
As you move from left to right on the periodic table, specifically for the A Groups, the number of valence electrons.......
Responda
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Increases
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Decreases
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Remains the same
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increases then decreases
Questão 12
Questão
As you move down a group on the periodic table, the number of valence electrons....
Responda
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Increases
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Decreases
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Remains the same
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increases then increases
Questão 13
Questão
Which of the following would be most similar to Phosphorus? (select all that apply)
Responda
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Chlorine
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Silicon
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Antimony
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Sulfur
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Germanium
Questão 14
Questão
What are valence electrons?
Responda
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Any of an atom's electrons
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Electrons not attached to any atom
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Electrons located on the first energy level
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electrons located on the outer energy level
Questão 15
Questão
What period is Lead (Pb) in?
Questão 16
Questão
What element type is silicon (Si) a part of?
Responda
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Metal
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Nonmetal
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Metalloid
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Halogens
Questão 17
Questão
What is group name of the most reactive metals?
Responda
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Noble gases
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Alkali metals
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Halogens
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Alkaline earth metals
Questão 18
Questão
Why are halogens so reactive?
Responda
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They want to get rid of their only valance electron
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They are non reactive, they have a full shell
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They only need one more electron
Questão 19
Questão
How many valence electrons does a carbon atom have?
Questão 20
Questão
Which element conducts electricity the best?
Responda
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Silicon
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Silver
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Fluorine
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Arsenic