Reference no: EM132553402
1. Given the following information which atoms are isotopes of Chromium?
a) 25 protons, 25 electrons, 27 neutrons
b) 23 protons, 23 electrons, 29 neutrons
c) 24 protons, 24 electrons, 28 neutrons
d) 52 protons, 52 electrons, 24 neutrons
e) 24 protons, 24 electrons, 29 neutrons
The symbol for an isotope of an element is always written with the mass number and the atomic number. The charge is written when appropriate. The symbol of oxygen - 18 polyatomic ion is given below, where the number of proton is 8, electrons are 10 and neutrons are 10.
2. Write the correct symbol for each of the above atoms in question 1.
a) b) c) d) e)