[ ɐtˈɒmɪk nˈʌmbə fˈa͡ɪv], [ ɐtˈɒmɪk nˈʌmbə fˈaɪv], [ ɐ_t_ˈɒ_m_ɪ_k n_ˈʌ_m_b_ə f_ˈaɪ_v]
How to use "Atomic number 5" in context?
Atomic number five is known as potassium. It has the chemical properties of a metal and is a soft, silvery-white element. Potassium was first isolated by German chemist Martin Heinrich Klaproth in 1789.
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