Melting Point, Atomic Radius, and Ionisation Energy (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Who developed the periodic law in 1869?
Who developed the periodic law in 1869?
Dmitri Mendeleev
At which group of elements do melting point minima occur?
At which group of elements do melting point minima occur?
Noble gases
What is the physical state of bromine () at room temperature?
What is the physical state of bromine () at room temperature?
Liquid
How does atomic radius change across a period from left to right?
How does atomic radius change across a period from left to right?
Decreases
How does atomic radius change down a group?
How does atomic radius change down a group?
Increases
What is the screening effect?
What is the screening effect?
Inner shells partially block nuclear charge
How does first ionisation energy change across a period?
How does first ionisation energy change across a period?
Increases
At which group do first ionisation energy minima occur?
At which group do first ionisation energy minima occur?
Alkali metals
Why is the second ionisation energy always greater than the first?
Why is the second ionisation energy always greater than the first?
Removing e⁻ from positive ion needs more energy
What is the relationship between atomic radius and ionisation energy?
What is the relationship between atomic radius and ionisation energy?
Inverse relationship