Particles and Thermochem Flashcards by Arya Kantroo

Q

Define the term electronegativity

A

Electronegativity is the ability of an atom to attract a bonding pair of electrons to itself.

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Q

Elements in the same group…

A

Have the same number of valence electrons.

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Q

Elements in the same period…

A

Have the same number of electron shells.

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Q

Elements in the same period…

A

Have the same number of electron shells.

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Q

What are the two main factors that affect atomic radii?

A

Nuclear Charge (# of protons)

2. Number of energy levels

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Q

How does nuclear charge affect atomic radii?

A

The stronger the
pull the electrons have to the protons with electrostatic
attraction, then the smaller the size of the atom radii

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