Gen Chem Exit Slip- Lewis Structures

At STP, which substance has metallic bonding?

• ammonium chloride

• silver

• barium oxide

• iodine

Which type of bonding is present in a sample of an element that is malleable?

• polar covalent

• ionic

• nonpolar covalent

• metallic

Which compound contains ionic bonds?

• Na₂O

• CO

• N₂O

• CO₂

Which type of bond is present in copper wire?

• metallic

• ionic

• electrovalent

• covalent

What occurs during this change?

• A) Energy is absorbed and a bond is broken.

• B) Energy is released and a bond is broken.

• C) Energy is released and a bond is formed.

• D) Energy is absorbed and a bond is formed.

When metals combine with nonmetals, the metallic atoms tend to

• lose electrons and become negative ions

• lose electrons and become positive ions

• gain electrons and become positive ions

• gain electrons and become negative ions

Which particles may be gained, lost, or shared by an atom when it forms a chemical bond?

• neutrons

• nucleons

• electrons

• protons

As sodium reacts with fluorine to form the compound NaF, each sodium atom will

• lose 2 electrons

• gain 1 electron

• gain 2 electrons

• lose 1 electron

Which element would most likely form an ionic bond with chlorine?

• N

• S

• K

• O

When a potassium atom reacts with bromine, the potassium atom will

• lose 2 electrons

• lose only 1 electron

• gain 2 electrons

• gain only 1 electron