The Periodic Table

Isotopes are:

• Atoms with the same number of protons but different numbers of neutrons

• Atoms with the same number of electrons but different numbers of protons

• Atoms with the same number of neutrons but different numbers of electrons

• Atoms with the same number of protons but different numbers of electrons

What is an isotope?

• A variant of a chemical element with the same number of protons but different number of neutrons

• A molecule with a different number of electrons

• A chemical element with a different atomic number

• A compound with the same molecular formula but different structure

The older 'Early' periodic tables arranged elements in order of their __________ __________.

• atomic mass

• atomic number

• alphabetical order

• discovery date

Elements on the modern periodic table are put in order of their __________ __________.

• atomic number

• atomic mass

• discovery date

• alphabetical order

What do the elements in each Group have in common?

• They have the same number of valence electrons.

• They have the same atomic number.

• They have the same atomic mass.

• They have the same number of neutrons.

What do the elements in each Period (row) have in common?

• Same number of electron shells

• Same number of valence electrons

• Same atomic number

• Same atomic mass

The name of the rows in the periodic table is:

• Periods

• Groups

• Blocks

• Series

What is the name of the columns in the periodic table?

• Groups

• Periods

• Rows

• Blocks

On which side of the periodic table are the metals found?

• Left

• Right

• Top

• Bottom

On which side of the periodic table are the non-metals found?

• Left

• Right

• Center

• Bottom