3 years ago

1.) How can people reduce their exposure to BPA?

1 answer:

5 0

People can reduce their exposure to BPA by washing out plastic cups, buying BPA free plastics. BPA should be kept out because it can cause a chemical interference in the human body

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What is the position of an element in the periodic table if its electron configuration is 1sÆ 2sÆ 2pÒ 3sÆ 3p¢?

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Sodium I think I'm not sure

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3 years ago

Witch element has the smallest radius

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Answer: Helium has the smallest radius.

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Explain why CaCl2 is likely to have properties similar to those of CaBr2

qaws [65]

Answer:

Because both CaCl2 and CaBr2 both contain elements (Chlorine and Bromine) from the same group (group 7)

Explanation:

Elements are placed into different groups in the periodic table. Elements in the same group are those that have the same number of valence electrons in their outermost shell and as a result will behave similar chemically i.e. will react with other elements in the same manner.

Chlorine and Bromine are two elements belonging to group 7 of the periodic table. They are called HALOGENS and they have seven valence electrons in their outermost shell. Hence, when they form a compound with Calcium, a group two element, these compounds (CaCl2 and CaBr2) will possess similar properties because they have elements that are from the same group (halogen group).

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blagie [28]

Equal in magnitude and opposite in direction.

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What would happen to life if earth were in a different location within the solar system

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