Introduction to ions_Tues Warm Up

What is the name of the ion - O^-2

• sulfide

• oxygen

• oxide

• chloride

what is the name of the ion - Mg+1

• manganese metal

• magnesium metal

• manganese ion

• magnesium ion

which of the elements below is a metal

• nitrogen

• carbon

• sodium

• sulfur

What charge does the magnesium ion have?

• 1+

• 1-

• 2+

• 2-

Non-metals tend to ________ electrons to form negative ions.

• lose

• gain

How is sodium chloride formed?

• Sodium transfers one electron to chlorine.

• Chlorine transfers one electron to sodium.

• Sodium transfers two electrons to chlorine.

• Chlorine transfers two electrons to sodium.

What does the atomic number identify?

• The number of neutrons.

• The number of protons.

• The number of protons + neutrons.

• The number of electrons.

The number of protons + neutrons in the nucleus is referred to as what?

• Atomic number

• Atomic mass

• Mass number

• Isotope number

Cations have what charge?

• +

• -

Anions are what charge?

• +

• -