atomic number 85

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The term "atomic number 85" refers to the chemical element known as "astatine." Let's break down what this means in a simple way:

Basic Explanation:

• Atomic Number: This is a number that tells us how many protons are in the nucleus of an atom. Each element has a unique atomic number.
• Astatine (Atomic Number 85): Astatine is a rare and radioactive element. It is the heaviest member of a group of elements called "halogens." Halogens are elements found in Group 17 of the periodic table and include fluorine, chlorine, bromine, iodine, and astatine.

Usage Instructions:

• When you talk about elements in chemistry, you can refer to them by their atomic number. For example, you can say, "Astatine has an atomic number of 85."

Example Sentence:

• "Astatine, with atomic number 85, is not commonly found in nature because it is highly unstable."

Advanced Usage:

• In scientific discussions, you might encounter terms like "radioactive decay," which describes how unstable elements like astatine break down over time, releasing radiation.

Word Variants:

• The word "astatine" itself is derived from the Greek word "astatos," meaning "unstable."
• There are no direct variants of "atomic number 85," but it is often referred to just as "astatine."

Different Meanings:

• "Atomic number 85" specifically refers to the element astatine. In general, "atomic number" can refer to any element, like hydrogen (atomic number 1) or oxygen (atomic number 8).

Synonyms:

• There are no direct synonyms for "atomic number 85," but you can say "astatine" when referring to the element.

Idioms and Phrasal Verbs:

• There are no common idioms or phrasal verbs that specifically relate to "atomic number 85" or astatine, as it is a scientific term.

Summary:

In summary, "atomic number 85" refers to the element astatine, which is a rare and radioactive element.

Academic

Noun

1. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium

Synonyms

• astatine
• At