The atom of an element is made up of 4 protons, 5 neutrons and 4 elect

1.	The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What is its atomic number and mass number?Plz answer it fast its very urgents. Who don't no answer plz don't answer
Answer» Z=4 A=9 Explanation: the ATOMIC number Z of an ELEMENT is number of PROTONS or number of electrons.So it's atomic number is 4. Atomic mass= atomic number + number of neutrons.=4+5=9

The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What is its atomic number and mass number?Plz answer it fast its very urgents. Who don't no answer plz don't answer

Answer»

Z=4 A=9

Explanation:

the ATOMIC number Z of an ELEMENT is number of PROTONS or number of electrons.So it's atomic number is 4.

Atomic mass= atomic number + number of neutrons.=4+5=9