Question

1. Name one metal and one non-metal which exists in liquid state at room temperature.
2. What would you observe in the following cases:
( Sodium and potassium are placed in hot water
(i) Burning magnesium is introduced into steam?
3. Compare the activity of sodium and iron with water and dilute acids.
4 Define the terms:
(1) Alkali metals
(ii) Transition metals
(iii) Metalloids
5. Give equations for the following conversions:
(a) Sodium to sodium hydroxide using water
(b) Steam to hydrogen using burning magnesium.
6. Explain placement of hydrogen atom in metal activity series.
7. What is the importance of activity series?
8. Explain reaction of metals with the following with the help of chemical equations:
(1) with acids
(iii) with water
9. Why are some metals more reactive than others?
10. Give a brief look of the physical properties of metals.
(ii) with oxygen​

Answer 1

Answer:

1.mercury and bromine

2.sodium and potassium react with hot water to form magnesium hydroxide and hydrogen

2a.magnesium gives up two electrons to oxygen atoms to form powdery product.this is an exothermic reaction

4.alkali metals are six chemical element in group L, the leftmost column in the periodic table.they are lithium (li), sodium (Na), potassium (K), rubidium (Rb), cesium (cs), and francium (Fr)

Transition metals,any of various chemical element that have valence electrons

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