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What is the term for the amount of energy required to remove an electron from an atom?
What is the name given to positively charged ions?
Which of the following is an example of an alkali metal?
Which acid is present in vinegar?
Which gas is primarily responsible for the depletion of the ozone layer?
What is the common name for the compound NaCl?
Which element has the highest melting point among all elements?
Which of the following best describes Avogadro's number?
What is the molecular formula of methane?
Which element is used as a moderator in nuclear reactors?