Periodic Trends Flashcards by danielle henry | Brainscape

Q

Atomic radius increases…

A

down a group due to electron repulsion

Decreases across a period due to the number of protons

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Q

Ionization energy increases….

A

across a period due to number of protons

Decreases down a group due to electron repulsion

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Q

Electron affinity increases…

A

across a group due to the number of protons

Decreases down a group due to electron repulsion

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Q

Force: Number of protons

A

The more protons an atom has, the stronger the nucleus can attract the valence electrons

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Q

Force: Electron repulsion

A

The more electron shells in between the nucleus and valence shell the more repulsion created which reduces the attractive force of the nucleus

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