CH7 Chemistry Vocabulary Quiz

What is an electron in the highest occupied energy level of an atom called?

• Ion
• Valence electron
• Halide ion
• Alloy

What is a mixture composed of two or more elements, at least one of which is a metal called?

• Ion
• Valence electron
• Halide ion
• Alloy

Atoms react by gaining or losing electrons so as to acquire the stable electron structure of a noble gas. What is this rule called?

• Octet rule
• Electron Dot Structure
• Ionic bond
• Chemical compound

What is a compound composed of positive and negative ions called?

• Ion
• Valence electron
• Halide ion
• Ionic compound

What is an expression that indicates the number and type of atoms present in the smallest representative unit of a substance called?

• Chemical formula
• Formula unit
• Octet rule
• Ionic compound

What is the lowest whole-number ratio of ions in an ionic compound called?

• Formula unit
• Chemical formula
• Ionic compound
• Octet rule

What is a negative ion formed when a halogen atom gains an electron called?

• Ion bonding
• Valence electron
• Halide ion
• Alloy

What is a notation that depicts valence electrons as dots around the atomic symbol of the element called?

• Chemical formula
• Electron dot structure
• Octet rule
• Ionic bond

What is the electrostatic attraction that binds oppositely charged ions together called?

• Ionic bond
• Metallic bond
• Halide ion
• Alloy

What is the force of attraction that holds metals together called?

• Ionic bond
• Octet rule
• Metallic bond
• Halide ion