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茶水間日記創挑第二期 - 【30/10 + Day 60 】美麗數化學 | Penana
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茶水間日記創挑第二期
ENTRY #1957
Author: 搖晃的芒果醫生 JJA
Published:
Oct 30, 2025
茶水間日記創挑第二期
Published:
Oct 30, 2025
ENTRY #1957
【30/10 + Day 60 】美麗數化學
Author: 搖晃的芒果醫生 JJA
Published:
Oct 30, 2025
1 Min Read
183 Words
No Plagiarism!R05VEsFrsbQzFnW0Gq5Mposted on PＥNAＮＡ

話說明天芒果們要考數學，但數學這東西，就很難跟大家分享的。那兼職芒果就和大家分享一下數學的好朋友 一一一 化學

In general, when heated, metals tend to react with the oxygen in air to give metal oxides. Reaction observations down the reactivity series are as follows. 

Potassium

potassium burns with a lilac flame

a white powder is formed 

Sodium 

sodium burns with a golden yellow flame 

a white powder is formed 

Calcium 

calcium burns with a brick red flame 

a white powder is formed

Magnesium 

magnesium burns with a bright white flame 

white powder is formed 

Aluminum 

a white powder is formed 

Zinc 

a powder which is yellow when hot white when cold is formed

Iron 

iron burns with yellow sparks 

a black powder（Fe3O4） is formed

Lead 

a powder which is orange when hot yellow when cold is formed 

Copper 

a black powder is formed 

Mercury 

a red powder is formed 

Silver and Gold 

no observable changes

 

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123Please respect copyright.ＰＥＮＡＮＡZ10KQPSkwg

216.73.216.134

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