Chem. Module 3. Optional Practice Test.

The family in the periodic table that contains the most reactive metals is the_______

• Alkaline Earth Metals
• Transition Metals 
• Alkali Metals
• Other Metals

Which of the following is the most reactive of the three?

• Lithium
• Sodium
• Potassium

As you move down the group, halogens' reactivity...

• increases

• decreases

• doesn't change

• shows no trend.

The nucleus of which halogen is best at attracting electrons?

• fluorine

• iodine

• bromine

• chlorine

Which halogen is the most reactive?

• iodine

• chlorine

• bromine

• fluorine

For waves in any medium, as the wavelength decreases, what happens to the frequency?

• It also decrease
• It stays the same
• It increases

How much of the electromagnetic spectrum is made up of visible light?

• only a small portion
• a very l;arge portion
• about half

What is the correct order of the visible light spectrum starting with the longer wavelength?

• Red, yellow, orange, blue, violet, indigo

• Violet, indigo, blue, green, yellow, orange, red

• Green, yellow, blue, indigo, red, orange

• Red, orange, yellow, green, blue, indigo, violet

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low
• high, high
• low, high
• low, low

High frequency waves have _________ wavelengths.

• varying
• long
• the same
• short