@pchemstud: Lithium, sodium, potassium, calcium. Four metals, four beakers of water. One of them catches fire. 🔥 Which one did you expect to be the most violent? Every metal here reacts with water to make hydrogen gas and a base, and the thymolphthalein turns blue as the solution becomes basic. Potassium reacts so fast and so exothermically that it ignites the hydrogen. The samples all have a slight oxide coating, which slows the reaction a bit. #chemistry #alkalimetals #chemistrydemo #scienceexperiment #periodictable

Tommy Technetium
Tommy Technetium
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Monday 19 October 2026 13:30:00 GMT
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billie_star_wars_fan807
🆀🅸🅼🅸🆁 :
Lithium
2026-10-21 14:14:47
201
g..i..robot5
G. I. Robot :
These are not pure samples. Lithium has a instant violent reaction with water
2026-10-19 23:28:36
135
.puggie
Puggie :
If anyone is confused, the beakers contain water and an indicator that turns blue at a high pH. When alkali metals react with water, they produce a hydronium ion (H+) and a hydroxide ion (OH-). The hydroxide ion reacts with the metal to make a metallic hydroxide and the hydronium reacts with itself to produce hydrogen gas which you can see in the bubbling. The indicator turns blue when the pH is high enough from the hydroxides. Overall the reactions is: 2X + 2H2O -> 2XOH + H2
2026-10-19 14:30:59
604
sc0rpi0m4rs
niko :
try francium next
2026-10-19 17:04:09
623
george.planes
George planes :
they all turn blue
2026-10-22 05:56:29
5
iv4nnnnnnnnnnnnnnnnn
Ivannnk :
try francium
2026-10-21 04:50:29
8
joseph.cox15
Joseph Cox :
they all have high ph
2026-10-22 07:13:09
1
hoarah_.loux
hoarah_.loux :
Blue
2026-10-20 11:08:31
16
primeachievers_academy
Teacher Bayo :
this is how periodic table be taught in Nigeria
2026-10-19 20:54:51
6
mmc3372
800zr :
potassium got their ass beat
2026-10-21 20:58:55
5
idk491474
IDK :
the lithium do not react like this it's.... more explosive
2026-10-21 19:38:16
1
bitchnpuddinlives
☭ J.Doe ☭ :
Interesting because IV potassium feels like that when it’s being infused so seeing it immediately ignite and water is accurate
2026-10-20 03:10:20
18
vladuka_liny
vlodxw :
Li - литий Na - натрий K - калий Ca - кальций (поправить пожалуйста если что-то не так)
2026-10-23 07:20:40
5
bisgandapromaxx
Yaaannn :
Now do Caesium-133
2026-10-20 04:22:03
8
s5tatic
s5tatic :
You should do rubidium.
2026-10-20 23:33:17
8
fatdeltarunefan
fatty :
I always knew that alkali metals react violently with water but never thought about the alkali earth metals
2026-10-21 02:42:05
7
cerylonyx3
Cerylonyx :
They’re alkali metals, same with the ones on group 2. They turn the water blue, did you put an indicator?
2026-10-19 14:14:29
77
bolts593
Bolts :
I think you used litmus indicator
2026-10-19 14:25:44
6
wswai7
WSWAI :
kalium*
2026-10-21 17:48:15
1
rishikoff1
RishiK :
Its no sodium…?
2026-10-22 11:38:43
0
thi.an.phan
AnAn người dương sống giờ âm👻 :
what did u use to make blue?
2026-10-21 01:12:50
1
ccommander81
ccommander81 :
why no Cs? 😎
2026-10-21 08:12:54
2
w3bo_
w3Bo :
cool, now put Francium in water
2026-10-22 10:51:05
3
thecatisbread
☈🌪️ ~ ann ! 🫧 🧽 🐠👁️⃤ :
blue
2026-10-21 01:16:11
1
zara__akhtar
🍓𝄞♬ℨ𝔞𝔯𝔞 𝔄𝔨𝔥𝔱𝔞𝔯♬𝄞🍓 :
they all turn blue
2026-10-22 20:22:49
1
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