Chemistry Questions
Explore questions in the Chemistry category that you can ask Spark.E!
What was the first form of life on Earth?
What two things that humans do have increased the amount of atmospheric methane.
When naming Oxyacids, " ___ite " ending in a Polyatomic ion changes to
When naming Oxyacids, " ___ate " ending in a Polyatomic ion changes to
A sample will lose half of the parent isotope after 1 half life
A material that can stop gamma radiation is
Which type of radiation releases an fast electron?
Is radioactive decay 'spontaneous' ?
TRUE or FALSE: gamma changes the atomic number.
What is the most penetrating radiation?
Which of the following best describes the process of nuclear fission?
In order of most to least penetrating radiation we have
The half life of iodine-131 is 8 days. What fraction of an iodine-131 sample will remain after 40 days?
What type of nuclear reaction occurs in the Sun and stars?
Which process involves the splitting of large nuclei?
What is emitted during Beta Radiation?
The term given to unstable radioactive atoms.
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
When nuclei decay, massive amounts of __________ is released.
Temperature dependence of fold length l (=> lamellar thickness)