Chlorine gas (cl2) forms when two chlorine atoms share an electron. what type of bonding is present in chlorine gas? covalent hydrogen metallic ionic

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Classify this reaction: 2al+n2-> aln.