atomic number 104

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The term "atomic number 104" refers to a specific chemical element known as "rutherfordium." This element is part of a group of elements called transuranic elements, which means they are synthetic (man-made) and have an atomic number higher than uranium (which has the atomic number 92).

Explanation:

• Atomic Number: This is the number of protons in the nucleus of an atom. For rutherfordium, the atomic number is 104, meaning it has 104 protons.
• Radioactive: This means that the element is unstable and can emit radiation as it breaks down into other elements.
• Transuranic: This refers to elements that are heavier than uranium. Most of these elements are not found in nature and are created in laboratories.

Usage Instructions:

You can use "atomic number 104" when discussing chemistry, especially when talking about elements on the periodic table. It is often used in scientific contexts.

Example:

• "Rutherfordium, with atomic number 104, was first synthesized in 1964."

Advanced Usage:

In more advanced discussions, you might encounter phrases like "synthesis of rutherfordium" or "properties of transuranic elements," where atomic number 104 is mentioned in relation to experiments or studies about heavy elements.

Word Variants:

• Element: Rutherfordium (the common name for atomic number 104).
• Chemical Symbol: Rf is the symbol used in the periodic table to represent rutherfordium.

Different Meaning:

In general conversation, "atomic number" can refer to any element (not just 104). Each element has its own atomic number that identifies it.

Synonyms:

• There are no direct synonyms for "atomic number 104" since it specifically refers to a unique element. However, you could say "rutherfordium" when referring to the element itself.

Idioms and Phrasal Verbs:

There are no specific idioms or phrasal verbs related to "atomic number 104," but in scientific discussions, you might hear phrases like "break down" (to decompose or decay) when talking about radioactive elements.

Summary:

To summarize, "atomic number 104" is a scientific term used to identify the element rutherfordium, which is a synthetic and radioactive element.

Academic

Noun

1. a radioactive transuranic element which has been synthesized

Synonyms

• rutherfordium
• Rf
• unnilquadium
• Unq
• element 104