Speakur

Word Pronunciation & Dictionary

calcium-45

Word Rarity Rare

Frequency: Zipf frequency 3.78 in modern English

Syllables
cal-ci-um-45
IPA
13
Scrabble Score
7
Letters
4
Syllables
6
Unique Chars

Meaning

noun

A radioactive isotope of calcium, 4520Ca, with 20 protons and 25 neutrons, and a half-life of 162.6 days; it is used as a tracer in studying calcium metabolism. As it decays it undergoes nuclear transmutation via electron emission, also called negative beta decay (β⁻-decay), into scandium.

Uncountable

Usage

Phrases

calcium-40 calcium-42 calcium-43 calcium-44 calcium-46 calcium-48

Frequently Paired Words

calcium-40 calcium-42 calcium-43 calcium-44 calcium-46 calcium-48

Questions

What does calcium-45 mean?
A radioactive isotope of calcium, 4520Ca, with 20 protons and 25 neutrons, and a half-life of 162.6 days; it is used as a tracer in studying calcium metabolism. As it decays it undergoes nuclear transmutation via electron emission, also called negative beta decay (β⁻-decay), into scandium.

How to pronounce calcium-45

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