magnesium-25
A minor stable isotope of magnesium, 2512Mg, having twelve protons and thirteen neutronsA minor stable isotope of magnesium, 2512Mg, having twelve protons and thirteen neutrons; it amounts to about 10% of the element in nature
Meaning
1 senses(uncountable)A minor stable isotope of magnesium, 2512Mg, having twelve protons and thirteen neutrons; it amounts to about 10% of the element in nature
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable