9B Matter and Chemical Change

These compounds all have high melting points.

• Ionic
• Molecular

Ionic Bonding involves...

• The transfer of protons
• The sharing of protons

• The transfer of electrons
• The sharing of electrons

What elements make ionic compounds?

• metal and nonmetal
• 2 or more nonmetals
• 2 or more metals

Some are solids, some are liquids, and some are gases at room temperature.

• ionic compounds
• molecular compounds

When dissolved in water, the solution is a good conductor of electricity.

• ionic compounds
• molecular compounds

Formed when a nonmetal shares electrons with another nonmetal.

• ionic compound
• molecular compound

Which of the following is a molecular compound?

• CaO
• NaCl
• CaCl₂
• CH₄

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Tags

NGSS.MS-PS1-2

What does a chemical change result in?

• A change in the state of the substance (eg. liquid to solid)

• A change in the texture of a substance.

• A change in the way atoms are bonded to each other.

• A change in the appearance of the substance.