Physical Science Final Test

1. Which type of bond is typically formed between a metal and a non-metal?

• Covalent bond
• Ionic bond
• Metallic bond
• Van der Waals bond

2. Which element has the following electronic configuration? 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵

• Palladium (Pd)
• Calcium (Ca)
• Sulfur (S)
• Bromine (Br)

3. Which of the following elements has the highest electronegativity?

• Sodium (Na)
• Chlorine (Cl)
• Magnesium (Mg)
• Sulfur (S)

5. What is the atomic number of iron (Fe)?

• 56
• 87
• 26
• 223

6. Which of these elements has higher electronegativity?

• Lead (Pb)
• Barium (Ba)
• Oxygen (O)
• Francium (Fr)

7. What trend is observed as you move from left to right across a period in the periodic table? (Note that this question has more than one possible answer, you only need to write one).

8. Which of these options would be a proper pH of a weak acid?

• 7
• 2
• 6
• 12

9. What does pH measure in a solution?

• The amount of dissolved solids.
• The concentration of hydrogen ions (H⁺).
• The level of oxygen present.
• The temperature of the solution.

10. What can you observe in the heating curve of water?

• First melting, then evaporation.
• First freezing, then condensation.
• First evaporation, then melting.
• First melting, then freezing.

11. Convert 100°C to Kelvin.

• 32 K
• 100 K
• 212 K
• 373 K