Maharashtra Board Solutions for Chapter: Periodic Classification of Elements, Exercise 2: Think about it

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Maharashtra Board Science and Technology Solutions for Exercise - Maharashtra Board Solutions for Chapter: Periodic Classification of Elements, Exercise 2: Think about it

Attempt the practice questions on Chapter 2: Periodic Classification of Elements, Exercise 2: Think about it with hints and solutions to strengthen your understanding. Science and Technology Standard Ten Part - 1 solutions are prepared by Experienced Embibe Experts.

Questions from Maharashtra Board Solutions for Chapter: Periodic Classification of Elements, Exercise 2: Think about it with Hints & Solutions

HARD
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Think about it>Q 1

There are some vacant places in Mendeleev’s periodic table. In some of these places, the atomic masses are seen to be predicted. Enlist three of these predicted atomic masses along with their group and period.

MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 2 - Periodic Classification of Elements>Think about it>Q 2

Due to uncertainty in the names of some elements, a question mark is indicated before the symbol in Mendeleev’s periodic table. What are such symbols?