The valence electrons should be the correct answer
The average atomic mass of sulfur = 32.33 u
<h3>What is the average atomic mass of sulfur?</h3>
The average atomic mass of sulfur is determined as follows:
Average atomic mass = (31.977 × 0.818) + (32.97 × 0.008) + (33.97 × 0.174)
Average atomic mass = 32.33
In conclusion, the average atomic mass of sulfur is determined from the sum of the isotopic masses and their relative abundance.
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Suitable hypothesis for the experiment is as temperature increases rate of reaction also increases.
<h3>What is rate of reaction?</h3>
Rate of any reaction gives idea about the speed of the completion of that reaction.
Rate of reaction will be affected by many factors are some such factors are:
- Dependent variable: Rate of change of the chemical species which are present in the reaction is the dependent variables.
- Independent variable: Independent variable is temperature as it does not depends on the rate, in spite of this rate depends on temperature.
- Controlled variables: Environment of the reaction, amount of catalyst, light exposure to the reactions are the controlled variables as it depends on the requirement of the amount of product.
Hence, hypothesis is as temperature increases rate of reaction also increases.
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Answer:
D
Explanation:
he showed that electrons occupy shells or energy levels around the nucleus.
Answer:
milk sugar, salts, substances with fatlike properties, and gases