Trends in the Periodic Table MCQ3

What is the primary reason for the decrease in atomic radius across a period?

Increased nuclear charge

What is the main reason for the increase in electronegativity across a period?

Increased nuclear charge

What is the primary reason for the decrease in 1st ionisation energy down a group?

Increased atomic radius

What is the main reason for the increase in atomic radius down a group?

Increased number of energy levels Signup and view all the answers

What is the definition of the 2nd ionisation energy of an element?

The minimum amount of energy required to remove the most loosely bound electron from each singly charged positive ion in a mole of these ions Signup and view all the answers

What is the trend in atomic radius across a period?

Decreases Signup and view all the answers

What is the trend in electronegativity down a group?

Decreases Signup and view all the answers

What is the definition of the 1st ionisation energy of an element?

The minimum amount of energy required to remove the most loosely bound electron from 1 mole of gaseous atoms in their ground state Signup and view all the answers

What is the relationship between the atomic radius of an element and the distance between the nuclei of two atoms of the element joined by a single covalent bond?

The atomic radius is half the distance between the nuclei. Signup and view all the answers

What is the primary reason for the decrease in atomic radius across a period, aside from increased nuclear charge?

The same screening effect Signup and view all the answers

Which of the following statements is true about electronegativity across a period?

Electronegativity increases due to increased nuclear charge and smaller atomic radius. Signup and view all the answers

What is the primary reason for the decrease in electronegativity down a group?

Increased atomic radius and screening effect Signup and view all the answers

What is the relationship between the 1st ionisation energy and atomic radius across a period?

1st ionisation energy increases with decreased atomic radius. Signup and view all the answers

Trends in the Periodic Table MCQ3

Questions and Answers

What is the primary reason for the decrease in atomic radius across a period?

What is the main reason for the increase in electronegativity across a period?

What is the primary reason for the decrease in 1st ionisation energy down a group?

What is the main reason for the increase in atomic radius down a group?

What is the definition of the 2nd ionisation energy of an element?

What is the trend in atomic radius across a period?

What is the trend in electronegativity down a group?

What is the definition of the 1st ionisation energy of an element?

What is the relationship between the atomic radius of an element and the distance between the nuclei of two atoms of the element joined by a single covalent bond?

What is the primary reason for the decrease in atomic radius across a period, aside from increased nuclear charge?

Which of the following statements is true about electronegativity across a period?

What is the primary reason for the decrease in electronegativity down a group?

What is the relationship between the 1st ionisation energy and atomic radius across a period?

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