Alkali Metals: Alkali metals are elements of group 1.They are called alkali metals because the hydroxides they form on reaction with water, is highly alkaline in nature. The elements listed below constitute grou
What happens when alkali metals react with molecular hydrogen? Describe some uses for magnesium and its compounds. What will happen if 100g of NaCl is placed in 200mL of water at 70^oC? Magnesium combines with oxygen to form a brittle white solid. Is this a chemical or physical change?
The arrangement of metals in a vertical column in the decreasing order of their reactivities is called the reactivity series or activity series of metals. The most reactive metal is at the top position of the reactivity series. The least reactive metal is at the bottom of the reactivity series...
Why are alkali metals very reactive? Which one of the elements is likely to exhibit the most violent and rapid reaction with water? A) Sr. B) Mg. C) Rb. D) Na. E) Cl_2. Which metal reacts most vigorously with water? (a) Al (b) Cs (c) Sr (d) Ba. What ...
Why are alkali metals very reactive? What is observed when chlorine reacts with potassium bromide? How is potassium chloride extracted from Carnallite? Is sodium classified as a pure substance (element or compound) or a mixture? Explain. What is the "common ion effect" and how does it relate...
What can nucleosynthesis do? What is the color of a flame test for potassium? What happens when chlorine reacts with calcium? Which metal reacts most vigorously with water? (a) Al (b) Cs (c) Sr (d) Ba. What characteristic distinguishes element from compound? Which isn't a pure substan...
Which metal reacts most vigorously with water? (a) Al (b) Cs (c) Sr (d) Ba. What are the general properties of the d-transition metals? Describe how the properties of the different types of elements (metals, nonmetals, metalloids) differ. What is the most important ore of aluminium ...
Answer and Explanation:1 The bisulfite ion is {eq}\rm HSO_3^- {/eq} and it is the anion part of the sodium bisulfite "compound". The oxidation number of sulfur in ...
Which metal reacts most vigorously with water? (a) Al (b) Cs (c) Sr (d) Ba. (a) How do fireworks give off colors? (b) What are some elements present in fireworks that give off specific colors? What are two ways that you can tell if an element ...
What are the only two metals that can be used to cathodically protect rubidium? Why does a titrated sample that is fuschia with phenolphthalein turn colorless when the solution is blown into? Why is TiO2 preferred over white lead as a white paint pigment? Whi...