Flame Tests and The Electromagnetic Spectrum

When a solution containing the sodium ion is heated in a flame it gives off this color

• yellow

• red

• orange

• green

The color of light which has the longest wavelength is

• red

• orange

• green

• purple

The greek symbol lambda is used to represent

• energy

• frequency

• wavelength

• color

The type of electromagnetic radiation that has the most energy

• radio waves

• microwaves

• x-rays

• cosmic rays

When a solution containing copper ions is heated in a flame it gives off this color

• red

• yellow

• green

• purple

When atoms of a gaseous element gain energy, its _______ move up energy levels.

• electrons

• protons

• neutrons

• atoms

Shorter wavelengths of electromagnetic radiation have ______ energy than longer wavelengths.

• less

• more

A purple color of light was seen when this element was heated in the flame.

• sodium

• barium

• potassium

• copper

electrons are contained in

• the nucleus of an atom

• the orbitals around the nucleus of an atom

• the nucleus and outside of the nucleus of the atom

• only in metallic elements

This type of electromagnetic radiation has more energy than microwaves but less energy than red light.

• ultraviolet waves

• infrared waves

• x-rays

• radio waves