Which of the following charge is bear by an ion when it gains an electron and become cation?
a) negative
b) positive
c) unit charge
d) no charge
Why chloride ion has positive charge?
a) it has equal number of neutrons and protons
b) it has equal number of protons and electrons
c) it has different number of electrons and neutrons
d) it has different number of protons and electrons
What is the number of
protons and electrons in the chloride ion (anion) (atomic no. of chlorine is
17)?
a) 17 protons and 17 electrons
b) 17 protons and 18 electrons
c) 18 protons and 17 electrons
d) 18 protons and 18 electrons
What
will be the charge on the atom that has gained one electron?
a) +1
b) -1
c)
+2
d) -2
What will be the charge on the atom that has gained two electrons?
a) +1
b) -1
c) +2
d) -2
What will be the charge on the atom that has gained three electrons?
a) +2
b) -2
c) +3
d) -3
