Class 10
NCERT
Chapter 1: Chemical Reactions and Equations
34 questions
Chapter 2: Acid,Bases and Salts
39 questions
Chapter 3: Metals and Non-metals
38 questions
Chapter 4: Carbon and its Compound
24 questions
Chapter 5: Periodic Classification of Elements
30 questions
Chapter 6: Life Processes
13 questions
Chapter 7: Control and Coordination
12 questions
Chapter 8: How do Organism Reproduce?
11 questions
Chapter 9: Heredity and Evolution
12 questions
Chapter 10: Light -Reflection and Refraction
34 questions
Chapter 11: The Human Eye and Colourful World
18 questions
Chapter 12: Electricity
49 questions
Chapter 13: Magnetic Effects of Electric Current
39 questions
Chapter 14: Sources of Energy
24 questions
Chapter 15: Our Environment
9 questions
Chapter 16: Sustainable Management of Natural Resources
7 questions
Solving time: 1 mins
Which of the following statements is not a correct statement about the trends when going from left to right across the period of periodic table?
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Practice more questions from Science (NCERT)
Practice questions from Science (NCERT)
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(b) What property do all elements in the same column of the Periodic Table as fluorine have in common?
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(a) What is the atomic number of this element?
(b) To which of the following elements would it be chemically similar?(Atomic numbers are given in parentheses):
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(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
Practice more questions from Periodic Classification of Elements
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(a) Identify the element.
(b) Write the electronic configuration.
(c) Write a balanced equation when it burns in the presence of air.
(d) Write a balanced equation when this oxide is dissolved in water
(e) Draw the electron dot structure for the formation of this oxide.
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(b) What were the two criteria used by Mendeleev in creating his Periodic Table?
(c) Why did Mendeleev leave some gaps in his Periodic Table?
(d) In Mendeleev's Periodic Table, why was there no mention of Noble gases such as Helium, Neon and Argon?
(e) Would you place the two isotopes of chlorine, Cl-35 and Cl-37 in different slots because of their different atomic masses or in the same slot because their chemical properties are the same? Justify your answer.
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| Question Text | Which of the following statements is not a correct statement about the trends when going from left to right across the period of periodic table? |
| Updated On | Mar 1, 2023 |
| Topic | Periodic Classification of Elements |
| Subject | Science |
| Class | Class 10 |
| Answer Type | Text solution:1 Video solution: 22 |
| Upvotes | 2211 |
| Avg. Video Duration | 6 min |
