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Periodic Table Quiz

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Questions and Answers

Which of the following statements about the periodic table is true?

The periodic table organizes elements based on their atomic mass.

The periodic table organizes elements based on their atomic number. (correct)

The periodic table organizes elements based on their physical properties.

The periodic table organizes elements based on their chemical reactivity.

What can be predicted reasonably accurately from an element's position in the periodic table?

Physical properties

Neither physical properties nor chemical reactivity

Chemical reactivity

Both physical properties and chemical reactivity (correct)

What does the atomic number of an element represent?

The number of protons in an atom of that element (correct)

The number of neutrons in an atom of that element

The number of electrons in an atom of that element

The number of isotopes of that element

How many known elements are there in the periodic table?

118 Signup and view all the answers

What is unique to each element in the periodic table?

Atomic number Signup and view all the answers

Which type of bonding is more common in organic chemistry?

Covalent bonding Signup and view all the answers

What is the term used to describe the stable balance of attractive and repulsive forces between atoms when they share electrons?

Covalent bonding Signup and view all the answers

What are the electron pairs that are formed when atoms share electrons called?

Bonding pairs Signup and view all the answers

What does the prefix 'co-' in 'covalent bond' mean?

All of the above Signup and view all the answers

When atoms share electrons in a covalent bond, what do they attain?

A full valence shell and a stable electronic configuration Signup and view all the answers