Answer:
fluorine
Explanation:
I used the number of electrons to determine it.
Answer:
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Color
Explanation:
Only color out of the listed observations is the qualitative observation. Qualitative observations are usually carried out using our senses.
- Sense of touch makes us feel the texture of particular subject.
- Sense of smell gives different types of scents and odors.
- Sense of sight helps us to identify different colors and appearances in a study.
- Sense of taste helps to know if something is bitter, sweet or sour.
- Sense of hearing helps to know how audible something it.
Qualitative observations does not involve the use of numbers.
Learn more:
observations brainly.com/question/5096428
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Answer:
halogen
Explanation:
It belongs to Group 17 on the periodic table, which is a halogen
