Give the symbol and number of electrons in a neutral atom of: uranium chlorine boron iodine

1) uranium atom has atomic number 92, so it has 92 electrons and has symbol U.

2) chlorine atom has atomic number 17, so it has 17 electrons and has symbol Cl.

3) boron atom has atomic number 5, so it has 5 electrons and has symbol B.

4) iodine atom has atomic number 53, so it has 53 electrons and has symbol I.

In a neutral atom, the atomic number is equal to the number of electrons and protons.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.