In 1863 there were 56 known elements with anew element being discovere terjemahan - In 1863 there were 56 known elements with anew element being discovere Bahasa Indonesia Bagaimana mengatakan

In 1863 there were 56 known element

In 1863 there were 56 known elements with a
new element being discovered at a rate of
approximately one per year. Other scientists
had previously identified periodicity of
elements. John Newlands described a Law of
Octaves , noting their periodicity according to
relative atomic weight in 1864, publishing it in
1865. His proposal identified the potential for
new elements such as germanium . The
concept was criticized and his innovation was
not recognized by the Society of Chemists
until 1887. Another person to propose a
periodic table was Lothar Meyer, who
published a paper in 1864 describing 28
elements classified by their valence, but with
no prediction of new elements. Meyer, who is
often credited with the discovery of the
periodic system, opposed and criticized the
Periodic Law. [ citation needed]
After becoming a teacher, Mendeleev wrote
the definitive textbook of his time: Principles
of Chemistry (two volumes, 1868–1870). As he
attempted to classify the elements according
to their chemical properties, he noticed
patterns that led him to postulate his periodic
table ; he claimed to have envisioned the
complete arrangement of the elements in a
dream : [12][13][14][15][16]
Unaware of the earlier work on periodic tables
going on in the 1860s, he made the following
table:
Cl 35.5 K 39 Ca 40
Br 80 Rb 85 Sr 88
I 127 Cs 133 Ba 137
By adding additional elements following this
pattern, Dmitri developed his extended
version of the periodic table. [19][20] On 6
March 1869, Mendeleev made a formal
presentation to the Russian Chemical Society,
entitled The Dependence between the
Properties of the Atomic Weights of the
Elements, which described elements
according to both atomic weight and valence .
This presentation stated that
1. The elements , if arranged according to
their atomic weight, exhibit an apparent
periodicity of properties.
2. Elements which are similar regarding their
chemical properties have atomic weights
which are either of nearly the same value
(e.g., Pt, Ir, Os) or which increase regularly
(e.g., K, Rb, Cs).
3. The arrangement of the elements in groups
of elements in the order of their atomic
weights corresponds to their so-called
valencies, as well as, to some extent, to their
distinctive chemical properties; as is apparent
among other series in that of Li, Be, B, C, N,
O, and F.
4. The elements which are the most widely
diffused have small atomic weights.
5. The magnitude of the atomic weight
determines the character of the element, just
as the magnitude of the molecule determines
the character of a compound body.
6. We must expect the discovery of many yet
unknown elements–for example, two
elements, analogous to aluminium and silicon ,
whose atomic weights would be between 65
and 75.
7. The atomic weight of an element may
sometimes be amended by a knowledge of
those of its contiguous elements. Thus the
atomic weight of tellurium must lie between
123 and 126, and cannot be 128. Here
Mendeleev seems to be wrong as the "atomic
mass" of tellurium (127.6) remains higher than
that of iodine (126.9) as displayed on modern
periodic tables, but this is due to the way
atomic masses are calculated, based on a
weighted average of all of an element's
common isotopes, not just the one-to-one
proton/neutron-ratio version of the element to
which Mendeleev was referring.
8. Certain characteristic properties of
elements can be foretold from their atomic
weights.
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Hasil (Bahasa Indonesia) 1: [Salinan]
Disalin!
In 1863 there were 56 known elements with a
new element being discovered at a rate of
approximately one per year. Other scientists
had previously identified periodicity of
elements. John Newlands described a Law of
Octaves , noting their periodicity according to
relative atomic weight in 1864, publishing it in
1865. His proposal identified the potential for
new elements such as germanium . The
concept was criticized and his innovation was
not recognized by the Society of Chemists
until 1887. Another person to propose a
periodic table was Lothar Meyer, who
published a paper in 1864 describing 28
elements classified by their valence, but with
no prediction of new elements. Meyer, who is
often credited with the discovery of the
periodic system, opposed and criticized the
Periodic Law. [ citation needed]
After becoming a teacher, Mendeleev wrote
the definitive textbook of his time: Principles
of Chemistry (two volumes, 1868–1870). As he
attempted to classify the elements according
to their chemical properties, he noticed
patterns that led him to postulate his periodic
table ; he claimed to have envisioned the
complete arrangement of the elements in a
dream : [12][13][14][15][16]
Unaware of the earlier work on periodic tables
going on in the 1860s, he made the following
table:
Cl 35.5 K 39 Ca 40
Br 80 Rb 85 Sr 88
I 127 Cs 133 Ba 137
By adding additional elements following this
pattern, Dmitri developed his extended
version of the periodic table. [19][20] On 6
March 1869, Mendeleev made a formal
presentation to the Russian Chemical Society,
entitled The Dependence between the
Properties of the Atomic Weights of the
Elements, which described elements
according to both atomic weight and valence .
This presentation stated that
1. The elements , if arranged according to
their atomic weight, exhibit an apparent
periodicity of properties.
2. Elements which are similar regarding their
chemical properties have atomic weights
which are either of nearly the same value
(e.g., Pt, Ir, Os) or which increase regularly
(e.g., K, Rb, Cs).
3. The arrangement of the elements in groups
of elements in the order of their atomic
weights corresponds to their so-called
valencies, as well as, to some extent, to their
distinctive chemical properties; as is apparent
among other series in that of Li, Be, B, C, N,
O, and F.
4. The elements which are the most widely
diffused have small atomic weights.
5. The magnitude of the atomic weight
determines the character of the element, just
as the magnitude of the molecule determines
the character of a compound body.
6. We must expect the discovery of many yet
unknown elements–for example, two
elements, analogous to aluminium and silicon ,
whose atomic weights would be between 65
and 75.
7. The atomic weight of an element may
sometimes be amended by a knowledge of
those of its contiguous elements. Thus the
atomic weight of tellurium must lie between
123 and 126, and cannot be 128. Here
Mendeleev seems to be wrong as the "atomic
mass" of tellurium (127.6) remains higher than
that of iodine (126.9) as displayed on modern
periodic tables, but this is due to the way
atomic masses are calculated, based on a
weighted average of all of an element's
common isotopes, not just the one-to-one
proton/neutron-ratio version of the element to
which Mendeleev was referring.
8. Certain characteristic properties of
elements can be foretold from their atomic
weights.
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Hasil (Bahasa Indonesia) 2:[Salinan]
Disalin!
Pada tahun 1863 ada 56 unsur yang dikenal dengan
elemen baru yang ditemukan pada tingkat
sekitar satu per tahun. Ilmuwan lain
sebelumnya telah mengidentifikasi periodisitas
elemen. John Newlands menggambarkan Hukum
Oktaf, mencatat periodisitas mereka sesuai dengan
berat atom relatif pada tahun 1864, yang dipublikasikan pada tahun
1865. Usulannya mengidentifikasi potensi
unsur-unsur baru seperti germanium. The
Konsep dikritik dan inovasi nya
tidak diakui oleh Society of Kimiawan
sampai 1887. Orang lain untuk mengusulkan
tabel periodik adalah Lothar Meyer, yang
menerbitkan sebuah makalah pada tahun 1864 menggambarkan 28
elemen diklasifikasikan oleh valensi mereka, tetapi dengan
tidak ada prediksi elemen baru . Meyer, yang
sering dikreditkan dengan penemuan
sistem periodik, menentang dan mengkritik
UU periodik. [Rujukan?]
Setelah menjadi guru, Mendeleev menulis
buku teks definitif pada zamannya: Prinsip
Kimia (dua volume, 1868-1870). Saat ia
berusaha untuk mengklasifikasikan unsur-unsur sesuai
dengan sifat kimia mereka, ia melihat
pola yang membuatnya mendalilkan periodik nya
meja; ia mengaku telah membayangkan
susunan lengkap unsur-unsur dalam
mimpi: [12] [13] [14] [15] [16]
Tidak menyadari pekerjaan sebelumnya pada tabel periodik
terjadi di tahun 1860-an, ia membuat berikut
tabel:
Cl 35,5 K 39 Ca 40
Br 80 Rb 85 Sr 88
I 127 Cs 133 Ba 137
Dengan menambahkan unsur tambahan berikut ini
pola, Dmitri dikembangkan besarnya
versi tabel periodik. [19] [20] Pada tanggal 6
Maret 1869, Mendeleev membuat formal
presentasi ke Rusia Chemical Society,
yang berjudul The Ketergantungan antara
Sifat Bobot Atom dari
Unsur, yang menggambarkan unsur-unsur
baik menurut berat atom dan valensi.
Presentasi ini dinyatakan bahwa
1. Unsur-unsur, jika diatur sesuai dengan
berat atom mereka, menunjukkan sebuah jelas
periodisitas sifat.
2. Elemen yang serupa tentang mereka
sifat kimia memiliki berat atom
yang baik dari hampir nilai yang sama
(misalnya, Pt, Ir, Os) atau yang meningkatkan secara berkala
(misalnya, K, Rb, Cs).
3. Susunan unsur-unsur dalam kelompok
elemen dalam urutan atom mereka
bobot sesuai dengan apa yang disebut mereka
valensi, serta, sampai batas tertentu, untuk mereka
sifat kimia khas; seperti terlihat
di antara seri lainnya dalam Li, Be, B, C, N,
O, dan F.
4. Unsur-unsur yang paling banyak
disebarkan memiliki berat atom yang kecil.
5. Besarnya berat atom
menentukan karakter elemen, hanya
sebagai besarnya molekul menentukan
karakter tubuh senyawa.
6. Kita harus berharap penemuan banyak namun
unsur-untuk diketahui misalnya, dua
unsur, analog dengan aluminium dan silikon,
yang berat atom akan menjadi antara 65
dan 75.
7. Berat atom suatu unsur dapat
kadang-kadang dapat diubah dengan pengetahuan tentang
orang-orang dari unsur bersebelahan nya. Jadi
berat atom telurium harus terletak antara
123 dan 126, dan tidak dapat 128. Berikut
Mendeleev tampaknya menjadi salah sebagai "atom
massa "telurium (127,6) tetap lebih tinggi dari
itu yodium (126,9) seperti terlihat pada moderen
tabel periodik , tapi ini adalah karena cara
massa atom dihitung, berdasarkan
rata-rata tertimbang dari semua elemen ini
isotop umum, bukan hanya satu-ke-satu
versi proton / neutron-rasio elemen untuk
yang Mendeleev merujuk.
8 . Sifat karakteristik tertentu dari
elemen dapat diramalkan dari atom mereka
bobot.
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