Question 1

Based on the periodic table trends shown in the image, which element is expected to have the highest electronegativity?

Accepted Answer

Fluorine (F)

Question 2

According to the periodic trends illustrated, which element would have the largest atomic radius?

Accepted Answer

Cesium (Cs)

Question 3

If you move from left to right across a period in the periodic table, what happens to the atomic size and electronegativity?

Accepted Answer

Atomic size decreases, electronegativity increases

Question 4

Which of the following elements is most likely to form an anion due to its position on the periodic table and its electronegativity?

Accepted Answer

Chlorine (Cl)

Question 5

Given the periodic trends, which element would be expected to have the lowest electronegativity?

Accepted Answer

Francium (Fr)

Question 6

Which of the following statements best explains why atomic size increases as you move down a group in the periodic table?

Accepted Answer

Additional electron shells are added, increasing the distance from the nucleus

Question 7

A student claims that oxygen is larger in atomic size than sulfur. Based on periodic trends, is this claim correct?

Accepted Answer

No, sulfur is larger because it is further down the group

Question 8

Which element would you expect to have the smallest atomic radius: Li, Na, K, or Rb?

Accepted Answer

Lithium (Li)

Question 9

Which of the following elements is most likely to act as a strong oxidizing agent due to its high electronegativity?

Accepted Answer

Fluorine (F)

Question 10

If you compare the atomic size of elements in the same period, which factor primarily causes the decrease in size from left to right?

Accepted Answer

Increasing nuclear charge pulls electrons closer

Question 11

Which element would you expect to have the highest ionization energy?

Accepted Answer

Helium (He)

Question 12

A patient is exposed to a toxic element that readily loses electrons and has a large atomic radius. Which group of the periodic table is this element most likely from?

Accepted Answer

Alkali metals (Group 1)

Question 13

Which of the following elements is most likely to form a covalent bond with hydrogen due to its high electronegativity?

Accepted Answer

Oxygen (O)

Question 14

Which element is expected to have the lowest ionization energy?

Accepted Answer

Cesium (Cs)

Question 15

A chemist is designing a molecule that requires an atom with both a small atomic radius and high electronegativity. Which element should they choose?

Accepted Answer

Fluorine (F)

Question 16

Which of the following elements is least likely to participate in chemical bonding due to its position on the periodic table?

Accepted Answer

Neon (Ne)

Question 17

Which element would you expect to have the greatest tendency to gain electrons?

Accepted Answer

Fluorine (F)

Question 18

If you compare the atomic radii of Cl and Br, which is larger and why?

Accepted Answer

Br is larger because it is further down the group

Question 19

Which of the following elements is most likely to be found in ionic compounds as a cation due to its low electronegativity and large atomic size?

Accepted Answer

Potassium (K)

Question 20

Which of the following best describes the trend in electronegativity as you move from the bottom left to the top right of the periodic table?

Accepted Answer

Electronegativity increases

Periodic Trends: Electronegativity and Atomic Size

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