Direction: Label the effort, resistance, and fulcrum of the following simple machines.
Correct answer = Brainliest
Wrong answer = Report
Complete answer = Brainliest
Incomplete answer = Report
Based on the question = Brainliest
Not on the question = Report
Note: If someone answer my question I will give you a big reward!.
Thank you!!

- 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

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some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg