Unit 3 and 4 Midterm Review

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

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

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Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

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Which of the following is an Alkali Metal? 

• Magnesium
• Chromium
• Sodium
• Fluorine 

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Which of the following is an Alkaline Earth Metal? 

• Calcium
• Lithium
• Phosphorus
• Copper 

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Which of the following is a transition metal? 

• Iron
• Oxygen
• Neon
• Barium

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Which of the following is the most reactive group of non-metals? 

• Alkali
• Alkali Earth
• Halogen
• Noble Gas

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How many valence electrons does an alkaline earth metal have? 

• 1
• 2
• 7
• 8

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What Periodic Table family is represented by the Lewis dot diagram?

• Halogens
• Alkali Metals
• Transition Metals
• Noble Gases

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An atom that has the electron configuration of 1s²2s²2p⁶3s²3p⁶4s²3d⁵ is classified as

• A transition element
• a noble gas
• an alkali metal
• an alkaline earth metal

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