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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 |