"H" or Hydrogen is an element, there are no other elements in it because all elements are pure substances.
there are 51 natural elements we know of
there are two elements: nitrogen (N) and hydrogen (H)
there are 118 elements as we know right now
The chemical formula for "be oh2" represents beryllium hydroxide, which consists of the elements beryllium (Be), oxygen (O), and hydrogen (H). To determine how many different elements are in beryllium hydroxide, you can count the unique elements, which are Be, O, and H. So, there are three different elements in beryllium hydroxide.
NH4Cl contains three elements: nitrogen (N), hydrogen (H), and chlorine (Cl).
2. Hydrogen and chlorine
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118
The compound CH2O has 3 elements: Carbon (C), Hydrogen (H), and Oxygen (O).
H is the symbol for hydrogen. The first of the elements.
The chemical formula of sodium hydroxide is NaOH; three elements: Na, O and H.
Potassium hydroxide has three elements: potassium (K), oxygen (O) , and hydrogen (H).