Lucy Hawkins, Fran Eardley, Stuart Lloyd and, Gemma Young Solutions for Chapter: The Periodic Table, Exercise 13: Exercise 13

Author:Lucy Hawkins, Fran Eardley, Stuart Lloyd & Gemma Young

Lucy Hawkins Science Solutions for Exercise - Lucy Hawkins, Fran Eardley, Stuart Lloyd and, Gemma Young Solutions for Chapter: The Periodic Table, Exercise 13: Exercise 13

Attempt the free practice questions on Chapter 5: The Periodic Table, Exercise 13: Exercise 13 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 9: Student's Book solutions are prepared by Experienced Embibe Experts.

Questions from Lucy Hawkins, Fran Eardley, Stuart Lloyd and, Gemma Young Solutions for Chapter: The Periodic Table, Exercise 13: Exercise 13 with Hints & Solutions

MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>Exercise 13>Q 13

Why did Mendeleev's periodic table contain fewer elements than the one we use today?

HARD
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>Exercise 13>Q 14

Answer the following questions:

a) What question was Mendeleev trying to answer? 
b) What evidence did he use? 
c) How did Mendeleev think creatively? 
d) What new evidence supported Mendeleev's ideas?