Activity 1 Computing the average Atomic Mass Carbon has two isotopes, carbon-12 and carbon
13. Their atomic masses are 12 and 13.00335 and
their percent abundance are 98.89 and 1.1],
respectively. What is the average atomic mass of
carbon? Show your computation.​

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

In order to complete this lab. you will need to be familiar with some common chemistry terms. complete the chemical change puzzle and list the relevant terms and their meaning below a.rectant b.product c.supernate

What type of chemical bond is formed between two atoms of bromine 1. metallic 2. hydrogen 3. ionic 4. covalent