Answer:
Percentage of Chlorine removed = 98%
Explanation:
Attached
Answer:
Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.
Explanation:
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Answer:
A
Explanation:
Ductility, because it can be observed by altering the shape of the substance
A) Picture D
B) Chlorine
C) Natrium chloride (NaCl) / salt