Alkaline and Transition Metals

What are the key properties of alkaline metals?

• Key properties of alkali metals include high reactivity, low density, low melting points, softness, and the ability to form positive ions.

• Ability to form negative ions

• High density

• High boiling points

How does the reactivity of transition metals compare to alkaline metals?

• Transition metals have similar reactivity to alkaline metals.

• Transition metals are more reactive than alkaline metals.

• Transition metals are highly reactive compared to alkaline metals.

• Transition metals are less reactive than alkaline metals.

List three common uses of alkaline metals in everyday life.

• Calcium in toothpaste

• Barium in paint

• Magnesium in fireworks

• Sodium in table salt, Potassium in fertilizers, Lithium in batteries

What is the general trend in reactivity among alkaline metals?

• Reactivity decreases down the group.

• Reactivity increases up the group.

• Reactivity increases down the group.

• Reactivity remains constant down the group.

Describe the electron configuration of alkaline metals.

• [Noble Gas] ns2

• [Noble Gas] ns0

• [Noble Gas] ns1

• [Noble Gas] n^2s1

How do transition metals differ from alkaline metals in terms of conductivity?

• Transition metals are less conductive than alkaline metals.

• Alkaline metals are more conductive than transition metals.

• Transition metals are generally more conductive than alkaline metals.

• Both transition and alkaline metals have the same conductivity.

What is the significance of the d-block in transition metals?

• The d-block only affects the color of transition metals.

• The d-block is crucial for the unique properties of transition metals, including variable oxidation states and complex formation.

• The d-block is irrelevant to the properties of transition metals.

• The d-block is primarily responsible for the conductivity of metals.

Explain why alkaline metals are stored under oil.

• To increase their density and weight.

• Alkali metals are stored under oil to prevent their reaction with moisture and air.

• To enhance their color and appearance.

• To facilitate their use in chemical reactions.

Which alkaline metal is the most reactive and why?

• Cesium (Cs)

• Sodium (Na)

• Lithium (Li)

• Potassium (K)

How does the atomic size of alkaline metals change down the group?

• The atomic size of alkaline metals fluctuates randomly down the group.

• The atomic size of alkaline metals decreases down the group.

• The atomic size of alkaline metals increases down the group.

• The atomic size of alkaline metals remains constant down the group.