Ionic & Covalent Bonding

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

An ionic bond is the attraction between:

• oppositely charged ions
• similarly charged ions
• neutral ions
• neutral atoms

Tags

NGSS.HS-PS2-4

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

When ions having a positive charge form bonds with ions having a negative charge, the overall charge on the resulting compound is:

• 0

• 1+

• 1-

• 37

Elements in Group 1 lose one electron to form ions with a(n) _________________ charge.

• 1+
• 2+
• 0
• 1-

The formation of an ionic bond leaves the metal atom as a positive ion, or _____

• cation
• anion
• caution
• onion

The formation of an ionic bond leaves the nonmetal atom as a negative ion, or _____

• cation
• anion
• caution
• onion

Definition: the forces of attraction holding atoms or ions together

• chemical bond
• atomic bond 
• covalent bond
• ionic bond

Ionic compounds are formed when one or more valence electrons are transferred from _____

• a nonmetal atom to a metal atom
• a nonmetal atom to a nonmetal atom
• a metal atom to a nonmetal atom
• a metal atom to a metal atom

The formation of an ionic bond leaves the nonmetal atom as a _____

• positive ion
• negative ion
• nonmetal atom
• neutral atom