Answer:
element
Explanation:
Elements are pure substances with only one kind of atom
Answer:
im 99% sure it's 175.
Explanation:
keep trucking, i know school is hard but you're doing amazing
Answer:
universal mass unit
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The universal mass unit, abbreviated u (sometimes amu for atomic mass unit), is defined as one-twelfth of the mass of the 12C atom which has been defined to be exactly 12 u. The absolute mass of a 12C atom is obtained by dividing the value 12 by the Avogadro number (NA = 6.022 137 × 1023).
Answer:
H2SO4 + 2(NaOH) -----> Na2SO4 + 2(H2O).
Explanation: