Intro to Chem Chapter 2 Review Honors Biology

Atoms that have the same number of protons, but different neutrons are... 

• ions
• atoms
• isotopes
• none of these 

How are the elements arranged on the Periodic Table?

• Alphabetical order by name
• Increasing Mass
• Increasing Atomic number
• Alphabetical order by symbol 

What is the function of the proton? 

• controls mass
• controls charge
• defines the element
• none of the above 

What is the atomic number of this isotope? 

• 6
• 14
• 8
• none of these 

How many neutrons does this isotope of Carbon have? 

• 6
• 14
• 8
• none of these 

How many valence electrons does C have? 

• 6
• 4
• 12
• none of these 

An atom of Sodium has 11 protons, 12 neutrons and 11 electrons. What is the mass number of Sodium?

• 11

• 23

• 1

• 22

How many electrons can the second energy level hold?

• 2

• 8

• 18

• unlimited

These electrons are located on the outermost energy level.

• Valence

• negative

• opposite

• Cation

Which two particles have a charge?

• protons and electrons

• protons and neutrons

• neutrons and electrons

• All three particles have a charge.