U6 Q1 HC F24

Front

Who showed it was impossible to determine both the exact position and speed of electrons as they moved around an atom?

Back

Werner Heisenberg

Front

What is electromagnetism?

Back

A fundamental force that acts between particles with positive or negative charges.

Front

Which of the following is not true? Each meson consists of a single quark and a single antiquark; Each baryon consists of three quarks; The magnitude of the charge on every quark is ⅓; A particle consisting of a single quark has not been observed.

Back

The magnitude of the charge on every quark is ⅓.

Front

What are protons made of?

Back

Quarks.

Front

If X is the symbol for an element, which of the following two symbols represent isotopes of the same element? I. 77 35 X II. 77 33 X III. 81 37 X IV. 81 35 X

Back

I and IV.

Front

What is the Heisenberg Uncertainty Principle?

Back

It states that it is impossible to know both the exact position and momentum of a particle simultaneously.

Front

Define a quark.

Back

A fundamental particle that combines to form hadrons, such as protons and neutrons.

Front

What is the charge of a proton?

Back

+1 elementary charge.

Front

What is the charge of a neutron?

Back

0 (neutral).

Front

What is a baryon?

Back

A type of subatomic particle made up of three quarks.