Properties of Compounds

In order for the ions in ionic compounds to react with other elements or compounds, the ionic compounds must be...

• charged

• solid

• highly reactive

• in aqueous solution

Which of the following best describes the condition of ionic compounds at room temperature?

• liquid

• gas

• amorphous solid

• crystalline solid

Is the following compound ionic or covalent?

LiBr

• Ionic

• Covalent

Compounds

• are made of two or more types of atoms chemically bonded together

• are made of one type of atom

• are found on the periodic table

• can be separated into their individual parts through physical means

Tags

8.P.1.1

When substances combine chemically...

• they form a mixture and their properties change

• they form a compound and their properties change

• they form a mixture where their properties stay the same

• the form a compound where their properties stay the same

Tags

8.P.1.1

The properties of a compound...

• are a mixture of the properties of the parts

• can be totally different than the properties of the parts

• not enough information

• are determied by the element with the greatest atomic mass

Tags

NGSS.MS-PS1-1

Which of the following is NOT true of a compound?

• a chemical reaction takes place

• a new substance is formed

• chemical bonds are formed

• the parts are easily separated

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which of the following compounds is salt?

• NaCl

• H₂O

• MgSO₄

• C₆H₁₂O₆

Which of the following best describes the nature of covalent compounds?

• A) They are generally soluble in water

• B) They have high melting and boiling points

• C) They conduct electricity in molten state

• D) They are formed by sharing of electrons

What is a common property of ionic compounds in solid state?

• A) They are good conductors of electricity

• B) They have low melting points

• C) They are brittle

• D) They are malleable

Tags

NGSS.HS-PS1-3