Question

What properties do all alkali metals have in common?

They are hard, low density metals that react with nearly all substances

They are silvery-grey, brittle metals with high densities

They are soft, silvery-grey metals, and corrode quickly in air

They are soft, silvery-grey metals, and mostly unreactive

Answer 1

C. They are soft, silvery-grey metals, and corrode quickly in air

Step-by-step explanation:

Characteristics of Alkali Metals

• Found in column 1A of the periodic table.
• Have one electron in their outermost layer of electrons.
• Easily ionized.
• Silvery, soft, and not dense.
• Low melting points.
• Incredibly reactive.