Chemistry, 06.10.2021 14:00 hdbvhf

study the diagram and answer the following questions. a. Name A and B. b. Which element is it? Write its name and B symbol. p*= 10 n°= 10 - A C. What is its atomic mass and atomic number? d. In which group and period of periodic table does it belong? e. What is its valency?

study the diagram and answer the following questions. a. Name A and B. b. Which element is it? Writ

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