Elements are like loners, compounds are like couples, and mixtures are like a group of friends that can also have couples (compounds)
The Global Positioning System (GPS) works in conjuction with electronic collars to enable scientists to track endangered animals.
Answer:
64g of 44.8L
vapour density of of
=64/44.8=10/7=1.43 g/l
Vapour density of =1.43g/l
Electrons have a negative charge
Calcium ions have a charge of “2+”because they are in group two (column number 2)
Skip over the transition metals
Fluoride ions would have a charge of
“1-” because they are all the way near the end of the table in the second last group (group 7)
Hope that helps :)