atomic number 100

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The phrase "atomic number 100" refers to a specific element in the periodic table of elements. In this case, it corresponds to the element known as "nobelium." Here’s an easy-to-understand explanation:

Definition

• Atomic Number 100: This is the number that represents the element nobelium on the periodic table. Each element has a unique atomic number that indicates how many protons it has in its nucleus. For nobelium, this number is 100.

Basic Characteristics

• Nobelium is a metallic element that is radioactive. This means it is unstable and can emit radiation.
• It is created by bombarding another element, plutonium, with neutrons.

Usage Instructions

• When talking about elements in chemistry, you can refer to them by their atomic number or by their name. For example, you can say, "Nobelium has an atomic number of 100."

Example Sentence

• "Scientists can create nobelium, which has atomic number 100, in a laboratory by using powerful machines."

Advanced Usage

• In advanced chemistry discussions, you might hear about the properties of nobelium, its isotopes, or its behavior in chemical reactions.

Word Variants

• Element: A pure substance made of only one type of atom (e.g., nobelium).
• Radioactive: Describes materials that emit radiation due to the decay of their atomic nuclei.

Different Meanings

• Atomic Number: In a broader context, the term "atomic number" can refer to any element’s unique number in the periodic table, not just nobelium.

Synonyms

• There are no direct synonyms for "atomic number 100," but you can use:
  • Nobelium: The name of the element itself.
  • Element 100: A more generic way to refer to it.

Related Terms

• Transuranic element: Elements that are heavier than uranium in the periodic table.
• Neutron bombardment: A process used to create new elements by shooting neutrons at a target element.

Idioms and Phrasal Verbs

• There are no idioms or phrasal verbs specifically related to "atomic number 100," but in science, you might hear phrases like "break down" (to decay) or "come together" (to form a new compound).

Academic

Noun

1. a radioactive transuranic metallic element produced by bombarding plutonium with neutrons

Synonyms

• fermium
• Fm