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chem questions
Question | Answer |
---|---|
silver is? | Ag |
calcium is? | Ca |
iodine is? | I |
copper is? | Cu |
phosphorus is? | P |
the name of the alkyl group that contains 4 carbons is? | butyl |
which is not a strong acid? | HF |
when is a polar covalent bond formed? | when the electrons of a bond are shared unequally by the two atoms |
the boiling point of CH4 is much lower than that of HF. This is because? | of hydrogen bonding in HF |
the point in a titration at which the indicator changes is called the? | endpoint |
compounds that contain carbon-carbon triple bonds are called? | alkynes |
alkanes belong to which group? | saturated |
an ion is formed by? | by either adding or subtracting electrons from the atom |
an untested explanation of a series of experimental observations is called? | a hypothesis |