Unit 1 MOD J Review

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

The smallest part of an element is known as the 

• Periodic Table
• Atom
• Group
• Period

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

What does the 1.00794 stand for?

• mass number

• atomic number

• average atomic mass

• number of protons

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Where is the element's atomic NUMBER located?

• the top

• the bottom

• the top + the bottom

• the number of protons + the number of neutrons

Where is the element's atomic MASS located?

• at the top

• at the bottom

• the top number + the bottom number

• the number of protons + the number of neutrons

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes