18 Questions
What is the product of the reaction between potassium and oxygen?
potassium oxide
What is the product of the reaction between lithium oxide and water?
lithium hydroxide
What is the reaction between potassium and water?
single displacement reaction
What is the product of the reaction between sodium and chlorine?
sodium chloride
What is the characteristic of the flame colors of Group 2 metals when they burn in oxygen or air?
characteristic colors
What is the ion charge of Group 2 metals?
+2
What is the result of an acid and base reaction?
Formation of a salt and water
What type of reaction involves the reaction of a substance with oxygen to produce heat?
Combustion reaction
What type of reaction involves the breakdown of a substance into two or more simpler substances?
Decomposition reaction
What type of reaction involves the replacement of one element by another element in a compound?
Single displacement reaction
What type of reaction involves the exchange of ions between two compounds?
Double displacement reaction
What is the characteristic of an exothermic reaction?
Release of energy from the surroundings
What is the product of the reaction between a Group 2 metal and water?
Metal hydroxide and hydrogen
Why do the halogens react similarly with other elements?
Because they need one more electron to reach a stable outer shell
What is a characteristic of the transition elements?
High melting point and hardness
As you go down the group of Group 2 metals, what happens to their reactivity?
Their reactivity increases
Why does the reactivity of the halogens decrease as you go down the group?
Because the outer shell is further from the nucleus
What is a common use of the transition elements?
In making catalysts
Learn about the properties and uses of noble gases including Fluorine, Chlorine, and Iodine. Discover why they are unreactive and their applications in various industries.
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