Chapter 6 Review Chemical Reactions 1

Often atoms join so that each atom will have?

• an even number of electrons
• an outermost energy level that is full of electrons
• an equal number of protons and electrons
• more electrons than either protons or neutrons

An ionic bond is a bond that forms between?

• ions with opposite charges
• atoms with beutral charges
• one atom's nucleus and another atom's electrons
• the electrons of two different atoms

In which type of bond do atoms share electrons?

• covalent
• metallic
• ionic
• chemical

Atoms and ions are held together by?

• nuclear bonds
• stick bonds
• physical bonds
• chemical bonds

Tags

NGSS.HS-PS1-7

Atoms sometimes form bonds to?

• lose energy
• become more stable
• give away neutrons
• give away protons

Sodium has one electron in its outer shell and chlorine has seven electrons in its outer shell. The atoms will form a(n) _________ bond by __________ their electrons.

• covalent, transferring
• covalent, sharing
• ionic, transferring
• ionic, sharing

Oxygen atoms have six electrons in their outer shells. When two oxygen atoms bond, they will form a(n) __________ bond by __________ their electrons.

• covalent, transferring
• covalent, sharing
• ionic, transferring
• ionic, sharing

Tags

NGSS.MS-PS1-1

A covalent compound made of one sulfur and two oxygen atoms would be named?

• Sulfur dioxide
• Sulfur oxide
• Disulfur oxide
• Sulfide oxygen

Tags

NGSS.MS-PS1-1

the covalent compound N2O5 would be named?

• Nitrogen oxide
• Dinitrogen oxide
• Nitrogen pentoxide
• Dinitrogen pentoxide

A compound is held together by?

• chemical bonds
• gravity
• physical bonds
• magnetism

Tags

NGSS.MS-PS1-5