Periodic Table Trends Quiz

Which trend increases going down the group for alkali metals?

• Reactivity

• Melting point

• Density

• Boiling point

What is the color trend of halogens going down the group?

What is the softness trend going down the group for alkali metals?

• Remains constant

• Decreases

• Increases

• Varies randomly

Elements that have the same number of energy levels are said to be in the same ______.

• group

• period

• family

• classification

Elements in a .................. have similar chemical properties.

• period

• group

• row

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

What group and period does this element belong in? *

• period 1 and group 3

• period 3 and group 1

• period 2 and group 3

• period 3 and group 2

Which statement about the alkali metals is correct? (TYS 2011/Q17)

• Their melting points decrease on descending the group.

• Their reactivities decrease on decreasing the group.

• They form oxides on reacting with water.

• They form covalent bonds with the halogens.

Using your knowledge of halogens, which statement is incorrect? (TYS 2015/Q27)

• Bromine displaces astatine from aqueous potassium astatide.

• Silver astatide is insoluble in dilute nitric acid.

• Hydrogen astatide is a covalent molecule.

• Solid astatine is white.

Which pairs of elements, when reacted together, would give the most violent reaction? (TYS 2017/Q23)

• caesium and fluorine

• lithium and iodine

• potassium and bromine

• sodium and chlorine