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Family 1 and 17 are very reactive because they are so close to filling their outer valence shell. Family one only needs to get rid of one electron and family 17 only needs to gain one electron.
They are all part of the checklist
how easily elements chemically combine.
exothermic
true
they is a change in shape of the matter
true
endothermic
it is the same material but it has melted
What type of chemical reaction releases heat?
They are all part of the checklist
how easily elements chemically combine.
exothermic
true
they is a change in shape of the matter
true
endothermic
it is the same material but it has melted
Which one is not a item to look for to see if a chemical change has taken place? In other words which one is not part of the chemical changes checklist?
They are all part of the checklist
how easily elements chemically combine.
exothermic
true
they is a change in shape of the matter
true
endothermic
it is the same material but it has melted
Which one is not a item to look for to see if a chemical change has taken place? In other words which one is not part of the chemical changes checklist?
They are all part of the checklist
how easily elements chemically combine.
exothermic
true
they is a change in shape of the matter
true
endothermic
it is the same material but it has melted
what type of chemical reaction do you add heat to?
They are all part of the checklist
how easily elements chemically combine.
exothermic
true
they is a change in shape of the matter
true
endothermic
it is the same material but it has melted
Reactivity is............
They are all part of the checklist
how easily elements chemically combine.
exothermic
true
they is a change in shape of the matter
true
endothermic
it is the same material but it has melted
Family 18 (the noble gasses) are so stable because they already have a full valence shell.
They are all part of the checklist
how easily elements chemically combine.
exothermic
true
they is a change in shape of the matter
true
endothermic
it is the same material but it has melted
Which one is not a item to look for to see if a chemical change has taken place? In other words which one is not part of the chemical changes checklist?
They are all part of the checklist
how easily elements chemically combine.
exothermic
true
they is a change in shape of the matter
true
endothermic
it is the same material but it has melted
Check it!