What atom has 5 neutrons 4 protons and 2 electrons
1 answer:
<span>the atom that has these characteritics is called beryllium nucleus</span>
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Answer:
It is called Potassium Hydroxide
Explanation:
conduction involves the transfer of molecules due to the movement of particles
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40'0'
Explanation:
X is smaller than |-40|
Answer:
the answer is "I HOPE IT HELPS"
Answer:
554.86kj
Explanation: Since 1 mole of CaC2=15.14kj yield 1mole of C2H2
The enthalpy change of H2O is 2*285=570
570+-15.14=554.86kj
Hence Hp is 554.86kj
He=Hp
