Chemistry Unit 2 Test Review

Front

What is the daughter atom in the decay of Carbon-14?

Back

The daughter atom is Nitrogen-14 (\(^{14}_{7}N\)).

Front

Who discovered the nucleus of the atom?

Back

Ernest Rutherford.

Front

What type of nuclear radiation is emitted when an electron is released?

Back

Beta radiation.

Front

What is table salt (NaCl) classified as?

Back

Table salt is a compound.

Front

What particle is emitted in beta decay?

Back

Beta particle.

Front

Define alpha radiation.

Back

Alpha radiation consists of helium nuclei (\(^{4}_{2}He\)) emitted from a radioactive source.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically bond together.

Front

What is the charge of a beta particle?

Back

A beta particle has a negative charge.

Front

What is the significance of Rutherford's gold foil experiment?

Back

It led to the discovery of the atomic nucleus.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.