Chemistry, 26.11.2019 04:31 aliviadushane

Scientific laws why a pattern in nature occurs how a pattern in nature occurs a pattern in nature observed over and over strong evidence in support of a hypothesis

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Answer from: majorsam82

Hi, I just submitted this, and your answer is a pattern in nature observed over and over.

I hoped I helped you,
Dawn

Answer from: sophiebeardsley94

a pattern in nature observed over and over

Explanation:

Scientific law is the statement(s) which describes or helps in the predicting the natural phenomena. The information in the scientific law is valid and it is verified by the experimental procedures and observations. It can be used to explain the cause of a natural phenomena, conditions responsible for natural phenomena, occurrence of the natural phenomena, also gives information why a natural phenomena repeat itself over and over again.

Answer from: Quest

- calcium has greater affinity to bond with electron receptors than hydrogen does and hence, it has the ability to replace hydrogen in most of its compounds.

- lithium has 2 valence electrons in the product because it can make only 1 bond with hydrogen. beryllium has 4 valence electrons in the product because it can only make 2 bonds. it has fewer electrons than neon and can react with electron donors. each hydrogen has 2 valence electrons, the same as helium.

- the covalent bond formed between carbon and hydrogen is polar because carbon is more electronegative than hydrogen and it attracts the bonded electron pair closer to itself, thus giving hydrogen a partial positive charge.

- a hydrogen bond is a relatively weak bond that hydrogen atoms make with the electronegative atoms nitrogen, oxygen or fluorine.

so the best choice is a.) 2 calcium (ca) atoms

Answer from: Quest

Conservation efforts have been effective in "increasing the number of endangered species, reducing all the negative impacts of human activity, and preserving wildlife habitats".hope my answer has you : )

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