Assertion: berkelium's chemistry | /r/HasProperty | helium
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text: chemistry, chemical, chemist, science, scientist, biochemistry, lab, laboratory, method, matter, organic, inorganic, mass, volume, element, compound, atom, atomic, photon, nucleus, nuclei, proton, charge, charged, positive, positively, negative, negatively, particle, wave, molecule, state, ion, electron, bond, bound, composition, formula, structure, covalent, solution, ionic, isotope, periodic (table), halogen, pH, noble gas, hydrogen (H), helium (He), lithium (Li), beryllium (Be), boron (B), carbon (C), nitrogen (N), oxygen (O), fluorine (F), neon (Ne), sodium (Na), magnesium (Mg), aluminium (Al), silicon (Si), phosphorus (P), sulfur (S), chlorine (Cl), argon (Ar), potassium (K), calcium (Ca), scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), gallium (Ga), germanium (Ge), arsenic (As), selenium (Se), bromine (Br), krypton (Kr), rubidium (Rb), strontium (Sr), yttrium (Y), zirconium (Zr), niobium (Nb), molybdenum (Mo), technetium (Tc), ruthenium (Ru), rhodium (Rh), palladium (Pd), silver (Ag), cadmium (Cd), indium