Give the value of the 1st ionization energy of beryllium (Be). Express your answer in Joules (J/atom).
1.49e-18
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To find the value of the 1st ionization energy of beryllium (Be) expressed in Joules (J/atom), you can use reference sources such as textbooks or online databases that provide ionization energy values. Let me explain how you can do it:
1. Start by searching for reliable reference sources that provide ionization energy values. These sources could be online databases such as the National Institute of Standards and Technology (NIST) Chemistry WebBook, or chemistry textbooks.
2. In the search bar of the chosen reference source, enter "beryllium (Be) ionization energy." This will help you find information specifically about the ionization energy of beryllium.
3. Look for the value of the 1st ionization energy specifically. Ionization energy values are typically given in units of electron volts (eV) or kilojoules per mole (kJ/mol).
4. If the value is given in electron volts (eV), you can convert it to joules (J) using the conversion factor: 1 eV = 1.602 × 10^-19 J.
5. If the value is given in kilojoules per mole (kJ/mol), you can convert it to joules per atom (J/atom) by dividing by Avogadro's number (6.022 × 10^23 atoms/mol).
Note: The ionization energy represents the energy required to remove one electron from a neutral atom to form a positively charged ion or cation.