Answer: Wear appropriate clothing for this activity (safety goggles, apron, gloves, etc.).
Check all glassware for chips and cracks.
Behave in a way that is purposeful.
Report all accidents to the teacher.
Explanation:
Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%. Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere
It will sink because water has a density of 1. and 1.1 is greater than 1 which means that the object is denser than the water so it will cause it to sink
The first part is C a substitution and the second part is A i believe, please check with others first
For Sodium would need to lose 11 electrons to become an ion.