consider chlorine atoms with 17 protons and 18 neutrons what are the atomic number and atomic mass and....?

Question

atomic mass of this isotope of chlorine? Suppose we could add a proton to this chlorine nucleus. Would the resulr still be chlorine? Please Explain. What if we added a neutron to this chlorine nucleus? What if we added an electron to the chlorine atom? Again, Please expain why, thank you.

Answer 1

the atomic mass of this isotope would be 35 obviously, the number of its protons and neutrons... and its atomic number 17, the number of its protons alone....
other than by adding a neutron, adding a proton changes the atoms properties and you would get Ar36 instead, an isotope of argon.

adding another electron would not change the weight, since electrons are considered weigthless in this context... their actual weight is so little that it is not worth bothering for this kind of chemistry. but we would get an imbalance in charges, since electrons carry negative charges, and the result would be an ion... cl(-)

Answer 2

Atomic number= proton number=17
Relative Atomic Mass= total number of particle=17+18=35

Because proton is charged, addition of one proton to chlorine actually makes it the next element in the table, which is argon. Because proton affects the number of electrons in the electron cloud in ground state. It is precisely the number of electrons at ground state that affects their chemical property. For example, chlorine is a halogen, it has 7 valence electrons in the outer electron shells. Thus by default it react by attracting one more electrons to make up the stable octet (8 electron) configuration of a noble gas.

When a neutron is added to the necleus, only the physical property is changed (e.g. boiling point due to different mass). It is still chlorine but it is an isotope

The addition of one electron to chlorine makes it an chloride ion, Cl^1-. since electron is negatively charged. It will form ionic bond with elements such as alkaline metal in Group I to form (metal)Cl, as well as other metals.

Answer 3

Atomic number is 17
atomic wight is 35
if you add a proton it will be a different atom; a different substance, namely argon (an isotope of argon) with an atomic number 18

Answer 4

35

Answer 5

any atom has a neural charge, if it has a charge then it is a ion