Podcast
Questions and Answers
Which of the following is a common property of metals?
Which of the following is a common property of metals?
- Large electronegativity
- Malleability (correct)
- Brittle solids
- Poor conductors of heat and electricity
What happens to the atomic radius as you go across a period in the periodic table?
What happens to the atomic radius as you go across a period in the periodic table?
- Increases
- Becomes smaller (correct)
- Doubles
- Stays the same
Which elements tend to have a high oxidizing nature?
Which elements tend to have a high oxidizing nature?
- Large metallic character
- Have a smaller number of valence electrons
- Found in the upper right corner of the periodic table (correct)
- Have a large electron affinity
What characterizes elements in the bottom left corner of the periodic table?
What characterizes elements in the bottom left corner of the periodic table?
What describes the trend of electronegativity as you go down a group in the periodic table?
What describes the trend of electronegativity as you go down a group in the periodic table?
What is the Periodic Table of Elements?
What is the Periodic Table of Elements?
Why was Johann Dobereiner's triad theory dismissed by the scientific community?
Why was Johann Dobereiner's triad theory dismissed by the scientific community?
What information can be found in each element's box on the Periodic Table?
What information can be found in each element's box on the Periodic Table?
Why is the data provided by the Periodic Table useful to scientists in chemistry?
Why is the data provided by the Periodic Table useful to scientists in chemistry?
What is the main focus of Johann Dobereiner's work on triads?
What is the main focus of Johann Dobereiner's work on triads?
Who is known as the 'Father of the Periodic Table'?
Who is known as the 'Father of the Periodic Table'?
What was the observation that led to the creation of the Law of Octaves?
What was the observation that led to the creation of the Law of Octaves?
How did Dmitri Mendeleev arrange the elements in the periodic table?
How did Dmitri Mendeleev arrange the elements in the periodic table?
What did Henry Moseley discover about the elements' frequencies when organizing the periodic table?
What did Henry Moseley discover about the elements' frequencies when organizing the periodic table?
How many periods are there in the periodic table?
How many periods are there in the periodic table?
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