Honors Chapter 4 Review Game

The mass number minus the atomic number gives the number of

Calculate average atomic mass from these isotopes: 62.93 amu (69.17%) and 64.93 amu (30.83%).

A cathode ray

What is a reasonable estimate for the number of copper atoms in a penny-sized pure copper coin?

The "base" unit for the relative mass of atoms is the

An instrument that makes atoms visible is a

The two men most alike in their ideas about atoms were

The particle equivalent to a helium-4 nucleus is

In carbon-14, the 14 is the

Which of these is the correct symbol for the isotope of aluminum with a mass number of 27?

In Rutherford's experiment, a particle bounced straight back because it

Atoms emit radiation because they are

J.J. Thomson's experiments involved

Which information would not be needed to calculate the average atomic mass of an element?

Beta particles have

One revision of Dalton's theory was due to the fact that

Why do beta particles bend more toward an oppositely charged plate than alpha particles?

In the gold foil experiment, the expected results were that

Which type of radiation has the least mass?

Changing the number of which particle would change the identity of an element?

What of these is not part of alchemy?

In order for an atom to be electrically neutral, the

A cathode ray travels from

The mass number is

An instrument which can be used to determine the mass of individual atoms is the

The mass of an electron is approximately

The process by which an unstable nucleus loses energy spontaneously is called

The smallest particle of an element that retains the properties of that element is

Isotopes of an element have different numbers of

A reaction that involves a change in an atom's nucleus is

When writing an element symbol with the mass number and the atomic number, the atomic number is

The charge of an anode is

Why are relative masses of atoms used instead of grams?

Rutherford used _____ in his experimentation.

The atomic model resulting from Thomson's work was the

Isotopes of an element have different

The charge of an electron is

What is the atomic number for Cr-55?

What would be the missing particle in this nuclear equation?

The basis for the relative masses of atoms is

The Greek philosopher who first proposed that matter was not infinitely divisible.

Most of the volume of an atom is

What is the mass number of silicon with 15 neutrons?

What consists of high energy electromagnetic radiation?

What experimental results led to the conclusion that electrons were part of all matter?

The exact charge and mass of the electron was determined by

The subatomic particle responsible for the chemical behavior of an element is the

The decimal number for each element on the periodic chart

If the atomic mass on the periodic chart for carbon is 12.011, which isotope is most abundant?

The atomic number of an element is the number of

The ratio of neutrons to protons plays a role in determining the stability of a nucleus.

Which is NOT correct?

John Dalton's ideas were more useful than ideas expressed prior to his because

Which of the following was NOT part of Dalton's original theory? (CR = chemical reaction)

The atomic number is

Sir James Chadwick discovered the

A cathode ray contains