Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
State the modern periodic law.
2 marksEasyShort answer
Class 10 · ICSE · Chemistry
Periodic Properties and Variations of Properties
Periodicity in the modern periodic table and the variation of atomic size, ionisation energy, electron affinity and metallic character.
- Questions
- 17
- PYQs
- 0
- Topics
- 2
Syllabus mapping: ICSE syllabus (CISCE)
Topics in this chapter
Narrow to a single topic to practise one idea at a time.
Questions
17 questions in this chapter.
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
An element X has atomic number 12. Write its electronic configuration, its group and the formula of its chloride.
3 marksMediumNumerical
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
The element with the highest electronegativity is:
1 markMediumMCQ
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
Why is the ionisation potential of magnesium greater than that of sodium?
2 marksMediumShort answer
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
An element with the electronic configuration 2, 8, 1 belongs to:
1 markMediumMCQ
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
Why do all the elements of a group show similar chemical properties?
2 marksMediumShort answer
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
Across a period from left to right, the atomic size:
1 markEasyMCQ
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
How does metallic character vary across a period and down a group, and why?
3 marksMediumShort answer
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
Why are the noble gases placed in a separate group and why is their ionisation potential very high?
2 marksMediumShort answer
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
Define ionisation potential and state how it varies across a period.
3 marksMediumShort answer
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
Elements A, B and C have atomic numbers 11, 17 and 18. Identify which is a metal, which a non-metal and which is chemically inert, and give the formula of the compound formed between A and B.
3 marksMediumStructured
- Answer available
Class 10 · Chemistry · Periodic Properties and Variations of Properties
An element has the electronic configuration 2, 8, 7. State its group, its period and whether it is a metal or a non-metal.
3 marksMediumNumerical