Basic Details
Word: Isotope
Part of Speech: Noun
Meaning: A type of atom that has the same number of protons but a different number of neutrons compared to other atoms of the same element.
Synonyms: Variant, form
Antonyms: N/A
Idioms and Phrases
- Continue through thick and thin: To persist in difficult situations. Example: "Scientists continue their research into isotopes through thick and thin."
- All things considered: Taking everything into account. Example: "All things considered, isotopes play an essential role in understanding elements and their behaviours."
Usage Examples
Example 1: Isotopes of carbon are used in dating ancient fossils to understand how long they have been on Earth.
Example 2: Some isotopes are unstable and can release radiation, which is important for both energy production and medical treatments.
Example 3: Chemists study isotopes to learn more about the properties of different elements and to track chemical reactions.
Fun Fact
Did you know that while most carbon on Earth is carbon-12, there is also a rare isotope called carbon-14, which is used in radiocarbon dating to determine the age of ancient organic materials?
Famous Quote
"Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world." Louis Pasteur
Multiple Choice Questions (MCQs)
1. What does "isotope" mean?
a) A type of animal
b) A type of atom with the same protons but different neutrons
c) A kind of plant
d) A type of molecule
Answer: b) A type of atom with the same protons but different neutrons
2. Which of these is a synonym of "isotope"?
a) Variant
b) Element
c) Compound
d) Molecule
Answer: a) Variant
3. Which sentence uses "isotope" correctly?
a) The isotope is running in the park.
b) The isotope has the same number of protons and different neutrons.
c) The isotope jumped over the fence.
d) The isotope is a colour of paint.
Answer: b) The isotope has the same number of protons and different neutrons.
4. Which idiom means to continue despite difficulties?
a) Come to the isotopes
b) Continue through thick and thin
c) All things considered
d) As easy as pie
Answer: b) Continue through thick and thin
5. What is the opposite of "isotope"?
a) N/A
b) Element
c) Mixture
d) Compound
Answer: a) N/A
