Physical and Chemical Properties Quizs

Which of the following chemical formulas represents a compound?

• C

• O₂

• CH₃CHO

• H₂

Acidity is a ---- property.

• Physical

• Chemical

Solubility (dissolves): Chemical or Physical Property

• Chemical Property
• Physical Property

An ice cream cone melts in a kid's hand while walking outside on a hot summer day. What is this an example of?

• Physical property

• Chemical property

• Physical change

• Chemical change

Mass divided by volume is the formula for calculating----

• Mass

• Volume

• Density

• Matter

This picture represents which of the following?

• element
• compound
• mixture

The center of an atom is the _____.

• electron
• nucleus
• neutron

What is a chemical property?

• A property that describes the state of a system

• A property observed during a reaction

What is the term for combining 2 or more DIFFERENT elements together?

• atoms

• elements

• molecules

• compounds

What is reactivity?

• how a substance combines physically with another substance
• how a substance combines chemically with another substance