alleryMatch Modern Periodic Table parameters with their definitions (Moseley):
A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
Modern law uses atomic number Z. There are 7 periods and 18 groups.
Keep practising The Periodic Table
Browse all The Periodic Table questions for ICSE Class 9, or explore more Chemistry topics.
Related questions
Match each periodic trend across a period (left to right) with its variation:Match each special group of elements with its collective family name:Match each periodic table pioneer with their organizing principle:In which direction across a period does metallicity tend to increase?Why do atomic radii generally increase going down an element column?Why does atomic radius decrease moving left to right across a period?Which block of elements in the modern layout fills an inner shell?Why do noble gases naturally exist as isolated single atoms?