Section 2 Flashcards

0
Q

Lanthanides

A

Shiny metals similar to group 2 (alkaline metals)

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1
Q

Where are metalloids located

A

Between metals and non metals in the p block

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2
Q

Actinides

A

Between actinium and rutherfordium. They are all radio active

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3
Q

Electrons affinity

A

Energy change that occurs when an electron is acquired by a neutral atom, and it increases across periods

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4
Q

Positive ion, and how can it decrease in atomic radius

A

Cation. The loss of one or more electrons always leads to a decrease in atomic radius

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5
Q

Negative ion and how it’s increases in atomic radius

A

Anion, one or more electrons always leads to an increase In atomic radius

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6
Q

Electro negativity

A

An atom in a chemical compound to attract electrons from another atom in the compound

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7
Q

Ionization energy

A

Ions gaining electrons

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8
Q

Electro negativity

A

Atom in a compound gaining an electron

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