Trends of the Periodic Table

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

• groups

• towers

• periods

• atomic numbers

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Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

Which of the following will have a larger radius than Zinc?

• Gallium

• Aluminum

• Magnesium

• Strontium

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Electronegativity is...

• the ability of an atom to attract/ accept electrons

• the ability of an atom to lose electrons

• the energy required to remove an electron from a specific atom

• how easy it is to make friends. 

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In which group would an element that is very reactive most likely be located?

• 1

• 5

• 15

• 18

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In which group would an element that is a gas most likely be located?

• 1

• 3

• 2

• 8

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The atom with the largest atomic radius in Group 8 is -

• Ar

• He

• Kr

• Rn

The tendency of an atom to attract electrons and acquire a negative charge

• electronegativity

• charge

• bonding ability

• electron configuration

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Match the trend with the correct definition

• Reactivity

• The likelihood that that an atom will participate in a chemical reaction

• Electronegativity

• The strength of attraction between an atom's nucleus and the electrons in that atom.

• Ionization Energy

• The distance from the center of an atom and the furthest electron. This is a measure of an atom's size.

• Atomic Radius

• The energy required to remove an electron from an atom.

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Sodium (Na) and potassium (K) are in the same group on the periodic table. Based on their locations, which statement about sodium and potassium is true?

• Sodium is less electronegative than potassium. 

• Sodium has fewer energy levels than potassium. 

• Sodium has a larger ionic radius than potassium. 

• Sodium has lower ionization energy than potassium. 

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