EMR Chapter 5 Section 1 Lecture 2

Which of the following terms refers to the range of all types of electromagnetic radiation?

• Wavelength

• Frequency

• Electromagnetic Spectrum

• Amplitude

In Rutherford's model, where is the atom's mass concentrated?

• In the electrons

• In the nucleus

• In the protons

• In the neutrons

Rutherford's model doesn't explain how the _______ were arranged around the nucleus.

• protons

• neutrons

• electrons

• atoms

Why doesn't Rutherford's model explain why negatively charged electrons aren't pulled into the positively charged nucleus?

• It lacks a mechanism for electron arrangement

• It doesn't account for electron charge

• It doesn't include protons

• It doesn't consider atomic mass.

In the early 1900s, what did scientists observe when certain elements were heated in a flame?

• Emission of sound

• Emission of visible light

• Emission of heat

• Emission of particles

Analysis of emitted light revealed that an element's chemical behavior is related to the arrangement of the _______ in its atoms.

• protons

• neutrons

• electrons

• molecules

What type of energy do particles possess?

• Kinetic energy

• Potential energy

• Both kinetic and potential energy

• Neither kinetic nor potential energy

Electromagnetic radiation waves are composed of alternating _______ and magnetic fields.

• electric

• gravitational

• nuclear

• thermal

What is electromagnetic radiation?

• Static electric fields

• Alternating electric and magnetic fields

• Only electric fields

• Only magnetic fields

Electromagnetic radiation consists of ________ electric and magnetic fields.

• static

• alternating

• constant

• diminishing