20-21 Test Review: Electron Config., Trends, Lewis Dot

What is this element?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Which of the following will have a higher electronegativity than arsenic (As)?

• Fluorine (F)

• Boron (B)

• Antimony (Sb)

• Germanium (Ge)

Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)
• Titanium (Ti)
• Calcium (Ca)
• Magnesium (Mg)

Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

The element with the lowest electronegativity in Period 3 is - 

• Na
• Cl
• Al
• Mg

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

• decreases, increases 
• increases, increases
• increases, decreases 
• stays the same, increases

Identify the Noble Gas Shorthand notation for Barium (Ba)

• [Xe] 5s¹
• [Xe] 6s²
• [Rn] 6s^-10

Which element belongs to this longhand electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷

• Calcium
• Cobalt
• Nickel
• Copper 

Which element belongs to this Noble Gas Shorthand electron configuration
[Kr] 5s² 4d¹

• Niobium
• Strontium
• Yttrium
• Zirconium

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁷
• 1s² 2s² 2p⁵ 3s² 3p⁵