Periodic Table Quiz #1 Review

An atom is made up of protons, neutrons, and electrons.  Which is the smallest subatomic particle?

• Proton
• Neutron
• Electron
• Idontknowatron

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in a neutral atom.

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

How many electrons does neutral potassium K contain? (click to see image)

• 19
• 39
• 20
• 40

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Which of these identifies the element?

• Protons
• Neutrons
• valence electrons
• Nucleus

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids

What are the horizontal rows on the periodic table called?

• periods

• groups

• metals

• nonmetals

• metalloids