Ho okumu'epekema

Electronic hoʻonohonohoʻia - i ka mea pohihihi o ka'ātoma 'ole

Ma ka Akuma ka o 1910 Ernest Rutherford, i noho ma ka manaʻo, painfully imi e maopopo ai ke kipi 'ole o ka'Ātoma. Kona ho okolohua lakou hoopuehu ana o Alpha (particles) nā waiwai convincingly ai -'Ātoma mea i loaʻa i loko o ka kekahi, mamua aku unexplored, papakaukau kino. I ka makahiki 1912, e kapa aku ia Rutherford i'ātoma nucleus. Ke poo nä känaka 'epekema i na tausani o nā nīnau. He aha e mālama ai i keia ike kino? He aha mea ka helu o nā electrons pono e hamama ai kona kaumaha?

Ma May 1911, Rutherford, paʻi i ka 'atikala ma ka ' ole o ka'Ātoma, a anticipates he caveat loa koʻikoʻi i ke kumupaʻa o ka'ātoma 'ole mea paha e hilinai ma ka subtleties o ke kipi' ole o ka'Ātoma, a me ka noi o hoopiiia (particles), a nō kona nui mall ke keʻena. Pela i hanau i ka huina'ine hoʻonohonohoʻia - nukelea electrons o ka'ātoma kükohu. Ua hoohalike Ua destined e pāʻani i invaluable kūlana ma nukelea ke kālaikūlohea.

Electronic hoʻonohonohoʻia - o ka aoao o ka puunaue ana o electrons ma'ātoma orbits. Mahalo i ka inquisitive naau a me ka perseverance Ernest Rutherford, ka mea i hiki ke hoomalu aku i kona manao, i ua waiwai 'epekema me ka hou ike, i ka nui o ka i hiki ole ke overemphasized.

Ka lolouila hoʻonohonohoʻia o ka'Ātoma mea. I ka waenakonu o ka 'ole holoʻokoʻa ua manaʻo i kāna mau' ōlelo iloko olaila no ka 'okoʻa mea no kela a me keia dala o neutrons a me protons. A me keia mea aie a hiki i ka maikaʻi malama o ka nucleus. A puni ka mea pili concentric orbits hoʻoneʻe electrons - negatively kauoha kula haʻahaʻaa (particles). i kēia mau'ātoma orbits i kapaia leho. Ka mawaho ka Astronomical o ka'Ātoma ua kapaia ka valence. A helu o electrons ma luna o ka mea - valency.

Kēlā me kēia lolouila hoʻonohonohoʻia o nā kumu mua loli aʻe i ka helu ana o electrons i kakauiaʻi maloko. No ka laʻana, he nui loa na mea mea i loko o ka ke ao holoʻokoʻa - hydrogen - he hoʻokahi wale nō hookahi huina'ine, oxygen'Ātoma, - ewalu a me ka lolouila AEI hao he iwakālua eono electrons.

Akā,ʻano nui i ka lolouila ho o ka'Ātoma mea i ka helu ana o electrons, a me ka mea malama ia laua, a ke kumu i ka'ōnaehana i ka hana pono - ka nucleus a me kona haku mele 'ana. Ua hāʻawi mai substance kāna mau 'ōlelo kanaka ano a me nā' ano. Electrons kekahi manawa, haʻalele'ātoma ÷, a laila, loaʻa iā ia kekahi'Ātoma he maikaʻi kauoha (aie i ka nukelea kauoha). Ma keia hihia, i ka waiwai, aole ia e hoʻololi 'ana i kona waiwai. Akā, inā e hoʻololi i ka haku mele 'ana o ka nucleus, ka mea e lilo loa ai i kaʻokoʻa mea me kekahi mau ano. E ka mea paakiki, akā nō e hiki.

Mai ka huina'ine hoʻonohonohoʻia mea,ʻaʻole e hiki me kona papa kuhikuhiE mall hehee ai - ka'ātoma nucleus, ka mea e e ua hoʻokoʻikoʻiʻia. He kēia kikowaena hehee ai o ka'ātoma palapala hoʻopihapiha kanaka waiwai a me nā 'ano o kekahi Nine Inch. Protons, a nō, ma ka mea, e hāʻawi aku i ka 'ōlelo i ka maikaʻi kauoha 1840 manawa kaumaha ia ma mua o kekahi o ka huina'ine. Akā, me ka mana o ka proton kauoha e like me ia i kekahi o ka huina'ine. Ma ka moku'āina o ke koena o ka helu ana o protons i loko o ka'Ātoma o ka helu ana o electrons. Ma keia hihia, no ka Kora naʻEsau i ka lawe ana o ka 'Aʻohe uku ole.

Kekahi nui huna i kapaia he neutron o ka'ātoma nucleus. He kēia hehee ai i mea ole i ke kauoha, i hiki i ka nukelea kaula naoh. No laila, e overestimate i ka waiwai o ka neutron mea wale ole i ke Akua.

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