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Chemistry

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Kristin Roberts

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Cards in this guide (14)
What is a flame test

Answer By exposing materials to a hot flame (from a Bunsen burner typically), the color of the flame can be used to identify the material. Certain elements give off a characteristic color when heated to high temperature. See the Related Links for "Wikipedia: flame test" to the bottom for the answer.

A method of obtaining an emission spectrum from a sample

What is the strong nuclear force

the strong nuclear force is more than 100 times greater than the electric force.

What is the total kinetic energy of the atoms and molecules in an object called

Temperature is the measure of average kinetic energy of all the atoms and molecules in an object

Which of the following is an example of quantization

The fans sitting in the bleachers

Which of these describes a benefit of nuclear fusion

Hydrogen is more available than uranium-235.

Why can light be treated like a particle

Light comes in chunks of energy called photons.

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

Which safety feature works to slow down nuclear fission chain reactions

The Internet said cooling Rods limit the reactions but then the answer turned out to be controll Rods which make more since,

How many hydrogen atoms would be bonded to the carbon atom inmethane

Each carbon atom in methane is bonded to four hydrogen atoms.

Which nuclei would be the least stable

1 proton, 3 neutrons

How much energy is released is a sample loses 0.05 kg mass through radioactive decay

4.5 × 1015 J

What statements are true about quarks

Each proton and neutron is made up of three quarks

What is nuclear fission

the splitting of a nucleus

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