warm up 1 periodic

Which statement correctly characterizes a property of the alkaline earth elements, Group 2A on the Periodic Table?

• 1. They are found in nature as free elements.

• They readily lose two valence electrons.

• Their electron configuration ends with s¹.

• They have an oxidation state of +1

An unknown element was recently discovered and found to have the characteristics shown in the table.

In which group does the unknown element most likely belong?

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Transition Metals

The list shows properties for a set of elements on the Periodic Table.

Based on the information in the list, which set of elements do the properties describe?

• Transition metals

• Alkaline earth metals

• Alkali metals

• Halogens

An element has the following properties:

• ⋅ Non-reactive

• ⋅ Gas at room temperature and normal pressures

• ⋅ Electron configuration of s²p⁶

• To which group on the Periodic Table does this element belong?

• Halogens

• Noble gases

• Alkali metals

• Alkaline earth metals

Li (Lithium) belongs to which group

• Alkali Metal

• Alkaline earth metal

• Transition metal

• Halogen

• Noble Gas