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Periodic Trends 2

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卡片总数: 20内容版本: v4公开卡包更新时间: 8/1/2026

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#1
正面 (问题)

A family (or group) is a set of elements that

背面 (解答)

Share the same properties

#2
正面 (问题)

An electron located in the outermost shell is called

背面 (解答)

A valence electron

#3
正面 (问题)

Characteristic of each element’s display is determined by number of

背面 (解答)

Valence electrons

#4
正面 (问题)

Valence electrons decide how an atom will

背面 (解答)

React in a chemical reaction

#5
正面 (问题)

Every element wants to have a

背面 (解答)

Full octet

#6
正面 (问题)

Full octet is typically, but not always

背面 (解答)

Eight electrons in the outer shell

#7
正面 (问题)

To get full octet, element will gain or lose

背面 (解答)

Valence electrons

#8
正面 (问题)

Oxygen = 8 electrons so

背面 (解答)

2 electrons on inner shell 6 electrons on outer most shell

#9
正面 (问题)

Octet rule says that atoms must combine in a way that each atom has

背面 (解答)

Eight electrons on its valence shell

#10
正面 (问题)

Eight electrons on valence shell so that it has same configuration as

背面 (解答)

A noble gas

#11
正面 (问题)

There are _ major groups in periodic table

背面 (解答)

Five (alkali metal, etc)

#12
正面 (问题)

Each group on the periodic table is

背面 (解答)

Numbered

#13
正面 (问题)

Alkali metal number

背面 (解答)

Group 1 (IA)

#14
正面 (问题)

Alkaline earth metal number

背面 (解答)

Group 2 (IIA)

#15
正面 (问题)

Transition metal number

背面 (解答)

Group 3-12

#16
正面 (问题)

Halogen number

背面 (解答)

Group 17 (VIIA)

#17
正面 (问题)

Noble gas number

背面 (解答)

Group 18 (VIIIA)

#18
正面 (问题)

Group 13-16 contains

背面 (解答)

Metalloids

#19
正面 (问题)

_ are the smallest group

背面 (解答)

Metalloids

#20
正面 (问题)

Unlike major groups, Metalloids contain two categories (2)

背面 (解答)

Metals Nonmetals