When a potassium atom forms an ion, it loses one electron. what is the electrical charge of the potassium ion?

a.
-2

b.
-1

c.
+2

d.
+1

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.