Periodic Table Structure

An element's identity is determined by the number of

• electrons.
• protons.
• neutrons.
• valence.

A horizontal row of elements in the periodic table

• Molecule

• Period

• Family

• Atom

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The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Elements in the same group have the same

• Properties

• Number of electrons

• Number of protons

• Nucleus

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4. An elements in group 18 are non reactive, stable, and inert because

• they have 3 valence electrons and a full outer shell

• they have no valence electrons and a full outer shell

• they have 8 valence electrons and a full outer shell

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Which of the following elements is a metalloid?

• Sulfur

• Silicon

• Iron

• Copper

Which of the following elements is malleable?

• Iron

• Carbon

• Hydrogen

• Sulfur

Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca?

• beryllium, Be
• potassium, K
• titanium, Ti
• yttrium, Y

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According to the Periodic Table of the Elements, which set of elements has similar properties?

• H, C, I
• He, H, Al
• He, Ne, Ar
• Na, Ca, Al

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What is the family name of this group of elements? 

• Alkali metals 
• Halogens 
• Noble Gases 
• Alkali Earth Metals 

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