Question

State the number of electrons either lost or gained in forming each ion.

a. Br-
b. Na+
c. As3-
d. Ba2+
e. Ca2+
f. Cu+
g. H-
h. Cu2+

Answer 1

The number of electrons either lost or gained in forming each ion is provided.

Step-by-step explanation:

The number of electrons either lost or gained in forming each ion are as follows:

a. Br-: gained 1 electron

b. Na+: lost 1 electron

c. As3-: gained 3 electrons

d. Ba2+: lost 2 electrons

e. Ca2+: lost 2 electrons

f. Cu+: lost 1 electron

g. H-: gained 1 electron

h. Cu2+: lost 2 electrons