atomic number 28

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The term "atomic number 28" refers to the element Nickel in the periodic table of elements. Let’s break down this concept in a simple way:

Basic Explanation:

• Atomic Number: This is a number that represents the number of protons in the nucleus of an atom. Each element has a unique atomic number. For Nickel, the atomic number is 28.
• Nickel: Nickel is a metal that is hard, shiny, and silvery in color. It is also malleable (which means it can be shaped easily) and ductile (which means it can be stretched into wires).

Usage Instructions:

• You can use "atomic number 28" when discussing chemistry, especially when talking about elements and their properties.
• When you mention "Nickel," you can refer to its atomic number to indicate its identity among other elements.

Example Sentence:

• "Nickel, with atomic number 28, is commonly used in making stainless steel."

Advanced Usage:

• In scientific discussions, you might encounter phrases like "the electron configuration of Nickel (atomic number 28)" which refers to how the electrons are arranged around the nucleus of the nickel atom.

Word Variants:

• Nickelic: This adjective describes compounds that contain Nickel in a higher oxidation state.
• Nickelous: This adjective describes compounds that contain Nickel in a lower oxidation state.

Different Meanings:

• Nickel can also refer to a five-cent coin in the United States and Canada.

Synonyms:

• There are not many direct synonyms for "Nickel" in its context as an element, but in a broader sense, you might refer to similar metals like copper or zinc when discussing metal properties.

Idioms and Phrasal Verbs:

• There aren't specific idioms or phrasal verbs related to "atomic number 28," but you might hear phrases in chemistry that involve "elements" or "metals" in general.

Conclusion:

Understanding "atomic number 28" helps you learn about Nickel and its importance in various applications, including manufacturing and engineering.

Academic

Noun

1. a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite

Synonyms

• nickel
• Ni