Which of the following elements is a member of the alkaline earth metals?
- A) Beryllium
- B) Boron
- C) Carbon
- D) Nitrogen
Answer: A) Beryllium
Which element in Group 7 is the most electronegative?
- A) Bromine
- B) Iodine
- C) Fluorine
- D) Chlorine
Answer: C) Fluorine
Which of the following elements has the highest atomic number?
- A) Calcium
- B) Argon
- C) Titanium
- D) Scandium
Answer: C) Titanium
Which element in Period 5 has the electron configuration [Kr] 5s² 4d¹⁰ 5p⁴?
- A) Iodine
- B) Tellurium
- C) Selenium
- D) Tin
Answer: C) Selenium
Which property of an element is most affected by its position in the Periodic Table?
- A) Atomic mass
- B) Atomic radius
- C) Electron affinity
- D) Density
Answer: B) Atomic radius
Which of the following elements has the highest first ionization energy?
- A) Lithium
- B) Beryllium
- C) Boron
- D) Carbon
Answer: D) Carbon
Which group of elements is known for having similar chemical properties due to having the same number of valence electrons?
- A) Transition metals
- B) Noble gases
- C) Halogens
- D) Alkali metals
Answer: D) Alkali metals
Which of the following elements is a d-block element?
- A) Iron
- B) Phosphorus
- C) Nitrogen
- D) Oxygen
Answer: A) Iron
Which element has the electron configuration [Xe] 6s² 4f¹²?
- A) Neodymium
- B) Samarium
- C) Dysprosium
- D) Gadolinium
Answer: D) Gadolinium
Which of the following elements would have the smallest ionic radius?
- A) Fluoride ion
- B) Chloride ion
- C) Bromide ion
- D) Iodide ion
Answer: A) Fluoride ion