Review for Tuesday's Test

When we talk about periods on the periodic table what are we talking about?

• Rows on the periodic table.

• Columns on the periodic table.

• The phases of elements at room temperature: solid, liquid, or gas.

• The type of elements: metals or nonmetals.

What is the name for group 1 on the perioidic table?

• Metals

• Halogens

• Alkali metals

• Noble gases

Which of the following best explains why elements in the same column are similar to one another?

• They have the same number of total electrons.

• They have the same number of electrons in their outermost energy level.

• They have the same number of total protons.

• They have the same number of filled energy levels.

What scientist is given credit for coming up with the way our current periodic table is organized?

• Dmitri Mendeleev

• Neils Bohr

• Ernest Rutherford

• John Thompson

Which of the following is the most reactive?

[Think about the group they all belong to and then think about the trend in reactivity for that group.]

• Lithium (Li)

• Sodium (Na)

• Potassium (K)

• Rubidium (Rb)

Which of the following alkali metals has the highest melting point?

[Think about which group they're in and then think about the trend in melting and boiling points for that group]

• Lithium (Li)

• Sodium (Na)

• Potassium (K)

• Rubidium (Rb)

What is the difference for the terms columns and rows?

• Columns go up and down, rows go across.

• Rows go up and down, columns go across.

• There is no difference, rows and columns are two words for the same thing.

Are there more groups or periods on the periodic table?

• Groups

• Periods

• There are the same number of groups and periods on the periodic table.

Fluorine, chlorine, bromine and iodine all belong to which group on the perioidic table?

• Alkali metals

• Halogens

• Noble gases

• Nonmetals

Which of the following is the most reactive?

[Think about what group they're in on the perioidic table and then think about what the trend in reactivity is for that group]

• Flourine

• Chlorine

• Bromine

• Iodine