HARD
10th CBSE
IMPORTANT
Earn 100

Atomic numbers of nitrogen, oxygen and fluorine are 7, 8 and 9 respectively. Write the electronic configuration of each element and answer the following question: Which one of the N, O and F has the smallest atomic radius and which one is the largest?

Important Questions on Periodic Classification of Elements (The Periodic Table)

MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 5 - Periodic Classification of Elements (The Periodic Table)>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 32
Write the electronic configuration of each one of Li3, Na11, and K19 answer the following question: What is the valence shell of the element K ?
MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 5 - Periodic Classification of Elements (The Periodic Table)>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 32
Write the electronic configuration of each one of Li3, Na11, and K19 answer the following question: What is the period of Na in the periodic table?
HARD
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 5 - Periodic Classification of Elements (The Periodic Table)>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 32
Write the electronic configuration of each one of Li3, Na11, and K19 answer the following question: Which of these has the longest atomic radius?
HARD
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 5 - Periodic Classification of Elements (The Periodic Table)>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 32
Write the electronic configuration of each one of Li3, Na11, and K19 answer the following question: Which one is the most reactive?
HARD
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 5 - Periodic Classification of Elements (The Periodic Table)>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 32
Write the electronic configuration of each one of Li3, Na11, and K19 answer the following question: Formula of sodium sulphate is Na2SO4. Write the formula of potassium sulphate.
MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 5 - Periodic Classification of Elements (The Periodic Table)>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 33
Consider the elements Na, Mg and Al and their respective atomic numbers 11, 12, and 13. Write the electronic configuration of each element and answer the following questions: What is the number of valence electrons in each element?
MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 5 - Periodic Classification of Elements (The Periodic Table)>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 33
Consider the elements Na, Mg and Al and their respective atomic numbers 11, 12, and 13. Write the electronic configuration of each element and answer the following questions: Assign the period to each element in the periodic table.
HARD
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 5 - Periodic Classification of Elements (The Periodic Table)>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 33
Consider the elements Na, Mg and Al and their respective atomic numbers 11, 12, and 13. Write the electronic configuration of each element and answer the following questions: Which element is most reactive?