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Chemistry

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Merlin Ankunding

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Cards in this guide (10)
What are quarks

Quarks are any of a group of subatomic particles thought to be among the fundamental constituents of matter more specifically, of protons and neutrons.

The concept of the quark was first proposed by Murray Gell-Mann and George Zweig ; its name was taken from James Joyce's novel Finnegans Wake. Quarks include all particles that interact by means of the strong force. They have mass and spin, and they obey the Pauli exclusion principle. They have never been resolved into smaller components, and they never occur alone. Their behaviour is explained by the theory of quantum chromodynamics, which provides a means of calculating their basic properties. There are six types of quarks, called up, down, strange, charm, bottom, and top. Only the up and down quarks are needed to make protons and neutrons; the others occur in heavier, unstable particles. Subatomic particles that make up protons and neutrons

What describes a radioisotope

An isotope of an element that is radioactive

Which of the following electromagnetic waves can create ions

Gamma rays

What is an important effect of gravity

It maintains the distances between planets.

What is the biggest problem with radioactive waste

It has a very long half-life. Disposal of radioactive waste is the biggest problem. Proper disposal is essential to ensure protection of the health and safety of the public and quality of the environment including air, soil, and water supplies.

Which of these is a challenge related to nuclear fusion reactions

It is technically challenging to create these reactions safely and efficiently.

What does it mean for an element to undergo transmutation

an element becomes a totally different element..

What property should a radioisotope used for dating have

it's half-life should be similar to the age of the fossil. APEX

What transition energy corresponds to an absorption line at 460 nm

4.32 x 10^-19 j

What electron could have quantum numbers n 3 l 0 ml 0 ms

A 3s electron

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