Cobalt is a metallic element, atomic number 27 in the period table.

钴金属元素，原序27。

An element's atomic number is the number of protons in its nucleus.

一种元素的原序原核中的质。

There are 118 known elements, each organized by atomic number.

有118种已知的元素，每种元素都按原序排的。

The periodic table is an organized display of all the chemical elements in order by atomic number.

元素周期表所有化学元素按原序有序排的表。

So, Feynman said, there can't be elements with atomic numbers higher than 137.

所以费曼说，不可能有原序高于 137 的元素。

With an atomic number of 11, which of these elements gets its symbol from the Latin word " natrium" ?

原序为11，下面哪个元素的符号来自拉丁词“natrium”？

Which of these elements, who's atomic number is six is one of the most abundant elements in the known universe?

这些元素中，哪一个的原序六，已知宇宙中最丰富的元素之一？

So the atomic number for carbon is six.

所以碳的原序六。

The element whose atomic number is at Mercury is also called quicksilver.

原序为水星的元素也称为水银。

And the number of protons, this is defined as the atomic number.

和质，这被定义为原序。

The atomic number is the soul of the atom. It's what makes it it.

原序原的灵魂。 这就它的成功之处。

And the atomic number is the number that you see up there.

原序就你在上面看到的字。

If not, it's atomic number 47.

如果不，它的原序 47。

The number of protons in an element is its atomic number.

元素中的质就它的原序。

" Gold" gold is a yellow metal, atomic number 79 for the chemists out there.

“金”金一种黄色金属，化学家认为它的原序为 79。

" Gold" (gold) has the chemical symbol Au and the atomic number 79.

“金”（金）的化学符号为Au，原序为79。

The atomic number of oxygen is eight.

氧的原序八。

It has the atomic number 28.

它的原序为 28。

Unbeknownst to Mendeleev, he had correctly ordered the elements by atomic number — the number of protons in the atomic nucleus.

门捷夫不知道的，他已经按照原序（原核中的质）正确地对元素进行了排序。

And the atomic number is, literally, just the number of protons in the element.

从字面上看，原序就元素中的质。