Properties and Classification of Matter

Which of the following is a physical property?

• Ability to burn

• Reaction with acids

• Flash point

• Solubility

Which of the following is a chemical property?

• Crystal formation

• Ductility

• Colour

• Reaction to heat

Tags

NGSS.MS-PS1-2

Classify the following example of matter:

Table Salt (NaCl)

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Classify the following example of matter:

Oxygen gas ( $O_2$ ) 

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Classify the following example of matter:

A white piece of paper

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Classify the following example of matter:

A doughnut with chocolate frosting

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Water ( $H_2O$  ) can be chemically separated into Hydrogen (H) and Oxygen (O)

• True

• False

Which model of the atom first introduced electrons?

• Bohr-Rutherford

• Rutherford

• Dalton

• Thompson

Which model of the atom proposed that atoms of the same element are identical?

• Bohr-Rutherford

• Rutherford

• Dalton

• Thompson

Which model of the atom first proposed a nucleus?

• Bohr-Rutherford

• Rutherford

• Dalton

• Thompson