Honors Chemistry Unit 3 Review: The Atom

Front

What is the process of splitting atomic nuclei called?

Back

Fission

Front

What is the representation of an ion for oxygen with a -2 charge?

Back

O^-2

Front

Which nuclear reaction produces harmful radioactive waste?

Back

Fission

Front

What particle is emitted when Uranium-238 decays into Thorium-234?

Back

An alpha particle

Front

What is the mass number of bromine?

Back

80

Front

What is the definition of an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What are isotopes?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the charge of a proton?

Back

Positive (+1)

Front

What is the charge of an electron?

Back

Negative (-1)

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.