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Periodic Properties

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Questions and Answers

Which property of elements is periodic according to the basic law of the modern periodic table?

Atomic radius

Atomic weight

Atomic number (correct)

Atomic mass

What is the main factor responsible for the periodicity of elements?

Atomic mass

Number of neutrons

Number of protons

Number of valence electrons (correct)

How does the number of valence electrons change as we move across a period from left to right?

Increases (correct)

Becomes zero

Decreases

Remains the same

Periodic Properties

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Podcast

Questions and Answers

Which property of elements is periodic according to the basic law of the modern periodic table?

What is the main factor responsible for the periodicity of elements?

How does the number of valence electrons change as we move across a period from left to right?

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