Chemistry Test 1 Summative

Most of the mass of an atom is found where?

• in the nucleus

• in the electron cloud

• on the 3rd energy level

Which subatomic particles have a negative charge and are not included in the mass of an atom?

• protons

• neutrons

• electrons

To find out how many of us there are, you have to subtract the atomic number FROM the atomic mass. What are we?

• protons

• neutrons

• electrons

"Everything is composed of atoms" was stated by:

• Democritis
• Dalton
• Moseley
• Einstein

John Dalton stated:

• elements are made of atoms
• atoms of a given element are identical
• atoms cannot be subdivided, created, nor destroyed
• all of the above

The scientist responsible for "discovering" the nucleus is:

• Bohr
• Rutherford
• Schroedinger
• Einstein

How did Rutherford discover the proton?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

The study of carbon containing compounds.

• Organic Chemistry

• Inorganic Chemistry

• Physical Chemistry

• Biochemistry

The study of compounds that do not contain carbon.

• Organic Chemistry

• Inorganic Chemistry

• Biochemistry

• Analytical Chemistry