英语词汇“atomic number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Scientists use the term atomic number to describe the number of protons in one atom of an element. For example, the atomic number of hydrogen is 1.

If you've ever taken a chemistry class, you've seen a chart called "the periodic table of elements." It lists every chemical element and each element's atomic number. Just by looking at the table, you can see that the atomic number of oxygen is 8 — this means that there are eight protons in one atom of oxygen. In chemistry and physics, the atomic number is represented by the letter Z.

WORD FAMILY

atomic number: atomic numbers

USAGE EXAMPLES

Atomic number imaging reveals the insides of a cat mummy from the South Australian Museum.

National Geographic(Jun 22, 2016)

Veirs recalled bringing “Atomic Number” to the group as a finished song.

Seattle Times(Jun 17, 2016)

The chemistry of an atom depends only on the number of electrons, which equals the number of protons, and which is called the atomic number.

Carl Sagan, Cosmos(1980)

n the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element

Hypo|Hyper

magic number

the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126

number

a concept of quantity involving zero and units

单词	atomic number
释义	atomic number (once / 311035 pages) n Scientists use the term atomic number to describe the number of protons in one atom of an element. For example, the atomic number of hydrogen is 1. If you've ever taken a chemistry class, you've seen a chart called "the periodic table of elements." It lists every chemical element and each element's atomic number. Just by looking at the table, you can see that the atomic number of oxygen is 8 — this means that there are eight protons in one atom of oxygen. In chemistry and physics, the atomic number is represented by the letter Z. WORD FAMILY atomic number: atomic numbers USAGE EXAMPLES Atomic number imaging reveals the insides of a cat mummy from the South Australian Museum. National Geographic(Jun 22, 2016) Veirs recalled bringing “Atomic Number” to the group as a finished song. Seattle Times(Jun 17, 2016) The chemistry of an atom depends only on the number of electrons, which equals the number of protons, and which is called the atomic number. Carl Sagan, Cosmos(1980) n the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element Hypo\|Hyper magic number the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126 number a concept of quantity involving zero and units
随便看	tetramerous tetrameter tetramethyldiarsine tetrametric Tetraneuris Tetraneuris acaulis Tetraneuris grandiflora tetranychid Tetranychidae Tetrao Tetraodontidae Tetraonidae Tetrao urogallus tetrapod Tetrapturus tetrasaccharide tetraskele tetraskelion tetrasodium pyrophosphate tetrasporangium tetraspore tetravalent Tetrazzini tetri tetrode