Answer:
Explanation:
chemical bonds between atoms are formed or broken.
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C+O2=CO2. The 2 would be smaller than the chemical symbol. Hope this helped
All of the different kinds of organisms in a forest would be considered a community.
Answer:
11
Explanation:
The atomic number = number of protons. The mass number (23) = sum of number of neutrons and protons. Since you know the mass number is 23 and it has 12 neutrons, 23-12 gives you 11 protons, so its atomic number is 11.
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Assuming the molar mass of oxygen is 18.01, you only need 16 grams (B) of oxygen because the molar mass of hydrogen is about 1 gram.
16+1+1=18
