Physical Science Final Exam

What is the range of pH values in an acidic solution?

• 0-7
• 7-14
• 15-239058204958
• pH = 7

What tastes bitter?

• Acids

• Bases

• Salts

• All

Which food is the most acidic?

• bananas
• lemon juice
• orange juice

Acids taste:

• a. sweet.

• b. sour.

• c. bitter.

• d. salty.

Takes two small nuclei and combines them into a larger nucleus:

• fission

• fusion

The splitting of a nucleus into smaller nuclei is:

• fusion

• fission

• half-life

• gamma radiation

The positive particles of an atom are:

• electrons

• positrons

• neutrons

• protons

An atom with atomic number 6 would have how many protons?

• 6

• 12

• 3

• cannot be determined

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

In the modern periodic table, elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes