In a ninth-grade physics exam, there was a question about the cost of one light bulb... I calculated the answer to the physics problem as 180,000,000🙂↕️💔 Because I didn't understand the confused of the question, I used the unit W/J. Therefore, the final price of the bulb is
180,000,000 W/J...
But why is the light bulb so expensive? •Must be inflation🤷🏻♀️
A while ago, before I had even learned about the Bohr model, I tried to invent my own way of drawing a water molecule. My goal wasn’t to be “correct”—I just wanted to understand atoms and how they bond.
Later, I learned about the Bohr model and realized my early intuition had actually led me somewhere surprisingly close.
Today I learned Lewis structures, and I could finally see what my old drawing was missing. A covalent bond isn’t hydrogen “giving” an electron to oxygen. Instead, each O–H bond is a shared pair of electrons, with one electron contributed by each atom.
So I redrew the same molecule, combining my earlier Bohr-style thinking about electrons with the Lewis model of bonding.
Looking back at my first drawing makes me smile. It’s not just a different sketch—it shows a different stage in how I understood the same idea.
I’m happy I’ve started connecting what I learn day by day, and noticing my earlier misconceptions.. .. Also, thank you to everyone who commented on my previous post—it genuinely helped me understand a lot of things I was missing... If you have any feedback, please leave it in the comments. Or if you've noticed any mistakes, please let me know and I'll fix it again...Someone told me in my previous post that there is a difference in size between the atoms, so this time I actually placed oxygen larger than hydrogen.
(I drew five molecules of H2O, not one, because water does not contain one molecule but millions, so I drew five as an abbreviation and not an abbreviation) And do you know what? 🙂The third time, I will draw the molecular diagram of water using Bohr's model, but I will replace the orbitals with an electron cloud, while adhering to what I learned from the Lewis structure 😺What do you think? Will you wait for my third post?
The first image is a mistaken fix
The second picture is what I imagined in my early days.
Hello! Today I drew a glucose molecule using the Bohr model. I know it's a rather unusual idea, but I love testing the limits of my thinking—seeing how far I can go, connecting things I've learned before to new concepts, and enjoying chemistry by understanding it in simple ways. I still don't know much about chemistry, but I'm trying. I'm only 16 years old, and I think that's an advantage because I still have plenty of time to learn and develop my understanding of chemistry. My sister laughed at me and said she'd never seen a scientist do something this "silly." 👽💔 But I kept going anyway. I don't know if there's anything technically wrong with my drawing, so I'd love to hear your thoughts.
⛔Edit: I didn't copy this from Bohr's notebooks. I actually drew it myself as a learning exercise before I even knew it was called the Bohr model. I later learned Bohr had used the same style of atomic representation, so I mentioned his name in the title.
صارلي أشهر اسوي قصيدة علمية وعدلت القافية على الضم بعدين كالولي غلط هي والوزن وهسه حرت اذا عندكم نصائح كولولي وهل لازم اغير القصيدة من جديد؟ هاي قصيدتي
هُنَاكَ حَيثُ مَرَّ جَابِرٌ يَوْماً
أَمُرُّ أَنَا بِشَغَفٍ مُمَاثِلُ
إِرْثُ أَبِي الكِيمِيَاءِ
مَازَالَ يَسْعَى بِهِ المُتَأَمِّلُ
عَلَّمَنِي الذَّرُّ وَالأَفْلَاكُ سِرَّهُمَا
فَبِتُّ أَرَى فِي النُّجُومِ مَا يُجْهَلُ
تَتَقَدُ النُّجُومُ بِسَعِيرِ النَّوَى
وَالشَّمْسُ نَجْمُ الفَلَكِ المُتَوَهِّجُ
تَصَادَمَتِ النَّوَى وَتَشَظَّتْ طَاقَاتُهَا
فَبَاتَ المَارِدُ بِيَدِ الجَاهِلِ المُتَحَكِّمُ
وَهِمَ العَابِرُ أَنَّ لِلْعُنْصُرِ وَجْهاً وَاحِداً
وَتَوَارَى فِي النَّظَائِرِ مَا يَجْهَلُ
تُسَاهِمُ عُنْصُرَانِ، النَّفَسُ وَالوَقُودُ
كَانَا مُنْذُ الأَزَلِ سِرَّاً لَا يُجْهَلُ
بِكِ وَبِعِلْمِكِ دُمْتُ مُتَألِّقاً
كَمَا تَأَلَّقَتْ بِعَنَاصِرِكِ النُّجُومُ
القصيدة مبنيه على ظواهر علمية وعلى أحداث تاريخيه وأحداث معاصرة
hi, Im 16yrs old, i love chimstry i always be too much asked about it in every subject i asked too much and i worked to got answer.. I want to develop this passion, but I don't know how. Should I memorize the entire periodic table, or read random information? Or should I choose a specific area of chemistry that I like to read about?
I'm sorry if this isn't relevant to the forum, but I'd like advice from a doctor or anyone who knows. Since I was a child, I haven't swallowed from the middle of my tongue, but from the side. So when I swallow from the middle, I choke because I'm not used to it, and I push my tongue back towards the pharyx, which causes the pill to get stuck. This is what happened to me twice, and after that, I refused to take medication. But now I've discovered the reason... because I put the pill in the middle of my tongue when I take it. My question is, can I take the pill from the side of my tongue, or should I practice swallowing from the middle? (It's difficult for me, and I don't have much time for let the medication.)
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I'm going to have one of my teeth pulled, but my sister told me that after the extraction I should take pills to ease the pain or something eales. My problem is that I can't swallow pills; they get stuck in my throat instead of going down to my stomach. Please, what is the solution? Can I crush or dissolve the pills that the doctor gives me?
هُنَاكَ حَيثُ مَرَّ جَابِرٌ يَوْماً
أَمُرُّ أَنَا بِشَغَفٍ مُمَاثلُ
إِرْثُ أَبِي الكِيمِيَاءِ
مَازَالَ يَسْعَى بِهِ المُتَأَمِّلُ
عَلَّمَنِي الذَّرُّ وَالأَفْلَاكُ سِرَّهُمَا
فَبِتُّ أَرَى فِي النُّجُومِ مَا يُجْهَلُ
تَتَقَدُ النُّجُومُ بِسَعِيرِ النَّوَى
وَالشَّمْسُ نَجْمُ الفَلَكِ المُتَوَهِّجُ
تَصَادَمَتِ النَّوَى وَتَشَظَّتْ طَاقَاتُهَا
فَبَاتَ المَارِدُ بِيَدِ الجَاهِلِ المُتَحَكِّمُ
وَهِمَ العَابِرُ أَنَّ لِلْعُنْصُرِ وَجْهاً وَاحِداً
وَتَوَارَى فِي النَّظَائِرِ مَا يَجْهَلُ
تُسَاهِمُ عُنْصُرَانِ، النَّفَسُ وَالوَقُودُ
كَانَا مُنْذُ الأَزَلِ سِرَّاً لَا يُجْهَلُ
بِكِ وَبِعِلْمِكِ دُمْتُ مُتَألِّقاً
كَمَا تَأَلَّقَتْ بِعَنَاصِرِكِ النُّجُومُ
Three of the first dresses I designed in my whole life
I had a friend since middle school, a very close friend. We weren't content with just talking throughout the school year; we'd even text each other when we got home. We were like one soul, and everyone told us they wished they could be like us. We loved each other very much, like innocent friends. I knew her family, and they loved me very much. But there was something wrong with her: she never admitted her mistakes, even when she was wrong. If her mother made a mistake, she'd deny it and make excuses for her, just so her daughter would be blamed. This was wrong and a kind of spoiling. At first, I honestly didn't pay much attention to it because it didn't bother me. But one day, we had our first fight because she yelled at my mother, and I obviously didn't accept that. I argued with her for days and ignored her until her mother came to my house and asked me to make up with her and for us to be friends again. I agreed. (Note: Her mother didn't say my daughter was wrong or apologize; she just made excuses for her. But I forgave them because she came to my house as a guest, and I shouldn't refuse. This would be...) (Unethical) And yes, we became friends again, and after many long months, we were back to how we were before, loving each other and chatting a lot together... until the day the mid-year results were handed out. She was absent from school these past few days. I tried to get her report card, but the school administration refused and only gave me her exam scores, which were bad. I was hesitant to tell her, afraid of embarrassing her by letting her know her grades. She had one failing grade and several low marks. So, when I got home, I sent her a message saying Regarding the failing grade only, because it's something important and not embarrassing, I asked her if she wanted the other test scores or if she could pick them up from the school administration herself. , "I brought your exam scores. Do you want them?" I asked this question to avoid any awkwardness. I said if she wanted them, I would send them, and if not, she could come to the school herself and get them. Her reply was, "I'm at school on Tuesday," meaning I would come to school the next day and collect them on Tuesday. I wrote to her that she had received a failing grade, and my friend and I filed an appeal on her behalf with the school administration. She didn't reply to the message. I think she was embarrassed by the situation and didn't respond, but she did read it. Days passed, and she didn't mention the exam results, so I assumed she had seen them by now. Her teacher asked her about them. The biology student once inquired about her biology grade and her answer to the question, so she received her grades from the school administration. When the end of the school year arrived... Her mother called me, scolding me and saying that I had betrayed their trust and that I was not trustworthy. I asked her, "What are you talking about, ma'am?" She said that I had falsified her daughter's grades and given her different marks. I told her that I had not given her any test marks. ...except for failing the physics exam When I sent her a screenshot of the messages proving my innocence, she started making excuses for her daughter, saying I was wrong because I knew her daughter was shy and I should have gone to the administration, met with the principal, and taken her exam scores to make sure she had received them. She told her family that I didn't know my scores and hadn't gone to the administration to get them (what kind of student doesn't take their exam scores and only remembers them at the end of the year?). My mother told her that since I'm not responsible for her daughter, her daughter should be responsible for her own things. Anyway, even with the evidence I provided, they continued talking about me in front of the whole school, claiming I had received different scores than hers! Yes, I fell victim to a friend who refuses to admit her mistakes and a mother who makes excuses and throws accusations around for her daughter's sake. She also claimed she was sick. How could I do this to her?! Excuse me, what did I do? She never mentioned the test scores to me. How am I supposed to know she doesn't know about them? And I'm not responsible if she was negligent about the test score! This fight happened in the First stage of high school. ​
(Sorry the story is short, but I made it longer because I don't know how to express myself well.)
هُنَاكَ حَيثُ مَرَّ جَابِرٌ يَوْماً
أَمُرُّ أَنَا بِشَغَفٍ مُمَاثِلُ
​
إِرْثُ أَبِي الكِيمِيَاءِ
مَازَالَ يَسْعَى بِهِ المُتَأَمِّلُ
​
عَلَّمَنِي الذَّرُّ وَالأَفْلَاكُ سِرَّهُمَا
فَبِتُّ أَرَى فِي النُّجُومِ مَا يُجْهَلُ
​
تَتَقَدُ النُّجُومُ بِسَعِيرِ النَّوَى
وَالشَّمْسُ نَجْمُ الفَلَكِ المُتَوَهِّجُ
​
تَصَادَمَتِ النَّوَى وَتَشَظَّتْ طَاقَاتُهَا
فَبَاتَ المَارِدُ بِيَدِ الجَاهِلِ المُتَحَكِّمُ
​
وَهِمَ العَابِرُ أَنَّ لِلْعُنْصُرِ وَجْهاً وَاحِداً
وَتَوَارَى فِي النَّظَائِرِ مَا يَجْهَلُ
​
تُسَاهِمُ عُنْصُرَانِ، النَّفَسُ وَالوَقُودُ
كَانَا مُنْذُ الأَزَلِ سِرَّاً لَا يُجْهَلُ
​
بِكِ وَبِعِلْمِكِ دُمْتُ مُتَألِّقاً
كَمَا تَأَلَّقَتْ بِعَنَاصِرِكِ النُّجُومُ