Trends in the physical properties

1. In a chemistry class, Avery is curious about which element has the highest electron gain enthalpy. Can you help her find the answer?

• a) Fluorine

• b) Chlorine

• c) Oxygen

• d) Helium

2. In a chemistry class, Avery is curious about which of the following elements has the highest ionization enthalpy.

• a) A = 1s2 2s2 2p5

• b) B = 1s2 2s2 2p3

• c) C = 1s2 2s2 2p5 3s1

• d) D = 1s2 2s2 2p6 3s2

3. During a chemistry class, Lily asked her teacher about the electronic configuration of Chromium (Cr = 24). Which of the following is the correct electronic configuration?

• a) 1s2 2s2 2p6 3s2 3p6 3d8

• b) 1s2 2s2 2p6 3s2 3p6 4s2 3d4

• c) 1s2 2s2 2p6 3s2 3p6 3d5 4s1

• d) 1s2 2s2 2p6 3s2 3p6 4s1 3d5

  During a science fair, Abigail and Priya were discussing which element has the highest value of ionization potential. They came across four elements and wanted to know which one it is.

• a) Chlorine

• b) Sodium

• c) Helium

• d) Cesium

During a chemistry experiment, Olivia is studying the ionization enthalpy of helium ions. She wonders, what is the second ionization enthalpy of He+?

• 5.44 eV

• 54.4 eV

• 2.72 eV

• None of the above

Priya is studying the properties of elements in her chemistry class. She learns that certain properties are inversely proportional to Ionization enthalpy. Which of the following properties does she discover to be inversely proportional to Ionization enthalpy?

• Nuclear Charge

• Radius

• Shielding effect

• Charge

During a chemistry class, Evelyn and David were discussing the properties of different elements. Evelyn asked, "Which element has the lowest ionization potential?"

• d) Argon

• b) Lithium

• a) Barium

• c) Neon