Which two particles have approximately the same mass?
2 answers:
2 and 3 because a neutron is neutral, a proton is positive, and a electron is negative. So they both have 0 and 1. (neutron and proton or electron)
The answer is 1)
protons and neutrons almost have the same mass
Both, positrons and electrons are lighter than protons and neutrons
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That would be <span>Johannes Gutenberg a German inventor from the 1400's </span>
Answer:
B
Explanation:
2Na + 2H2O2==NaOh + H2
184/23=x/18
x=(184×18)/23
x=144g
Answer:
Increases by 1
Explanation:
B. When scientific understanding changes.
Depends on what the base is. You would reference the base dissociation chart for that value.
