What type of ion has lost an electron and, consequently, has a net positive charge?

Is the number of protons the same in the atom and the ion in lithium

In ionic compounds, ________ lose their valence electrons to form positively charged ________.

A Se ion has a mass number of 77 and a charge of −2

Determine the number of protons (p) and electrons (e) in N³⁻.

Consider an atom of ⁶³Cu. b. What is the symbol of the ion obtained by removing two electrons from ⁶³Cu?

Fill in the gaps in the following table:

Symbol 31P3-

Protons 34 50

Neutrons 45 69 118

Electrons 46 76

Net charge 2- 3+

For each ion, identify the neutral atom that is isoelectronic with it.

a. Cl−

b. Sc3+

c. Fe2+

d. Zn2+

e.Sn4+