SC.8.P.8.8 Standard 6 Test Prep

Sodium chloride, which is table salt, is neutral.  What is the pH of sodium chloride?

• 8
• 14
• 7
• 0

Some compounds are classified as acids or bases.

• true
• false

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The lower the pH, the more acidic a compound is.

• true
• false

The higher the pH, the more basic it is.

• true
• false

Baking Soda, a compound commonly found in medicines, has a pH of 9. Which of these phrases describes sodium hydroxide?

• slightly basic
• slightly acidic
• highly basic
• highly acidic

Sucrose is a compound made from the elements carbon, hydrogen, and oxygen. Which statement best describes the properties of sucrose?

• They are similar to the properties of carbon.
• They are similar to the properties of oxygen.
• They are similar to the properties of hydrogen.
• They are different from the properties of all the elements sucrose contains.

Tags

NGSS.MS-PS1-1

The periodic table has rows and columns that organize the elements by similarities. What is the name for a row in the periodic table?

• period
• group
• family
• section

Which of the following describes how elements are arranged in the periodic table?

• by chemical name
• by repeating atomic number
• by increasing atomic number
• by decreasing atomic mass

sulfur (S) has six valence electrons.  

• elements in group 16
• elements in the same family
• elements in the same column
• all of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the chemical name of silver?

• Ag
• Au
• Si
• S

Tags

NGSS.HS-PS1-1