The Structure of Matter Review

This is the formula for Formic Acid. How many TOTAL ATOMS are in this compound?

• 4
• 5
• 6

Tags

NGSS.MS-PS1-1

This is the formula for Formic Acid. How many DIFFERENT ELEMENTS in this compound?

• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

Each of these cubes has a volume of 125 mL. The mass of each cube is shown in the image. What must be true about these cubes?

• Cube A is twice as dense as Cube B.
• Cube B is twice as dense as Cube A.
• The density of Cube A is equal to the density of Cube B.

Tags

NGSS.MS-PS1-2

Part of the periodic table is shown. Using the information from the chart what is the ATOMIC MASS of Chlorine?

• 26
• 35.5
• 17

Part of the periodic table is shown. Using the information from the chart what is the SYMBOL for Fluorine?

• F
• O
• Cl

Part of the periodic table is shown. Using the information from the chart what is the ATOMIC NUMBER for Aluminum?

• 1
• 13
• 27

Part of the periodic table is shown. Using the information from the chart what is the Atomic Mass for Gold?

• 118
• 79
• 197

Tags

NGSS.MS-PS1-1

Part of the periodic table is shown. Using the information from the chart what is the number of ELECTRONS for Antimony?

• 51
• 122
• 71

Tags

NGSS.MS-PS1-1

The periodic table entry for boron, carbon, nitrogen, aluminum, silicon, phosphorus, gallium, germanium, and arsenic are being shown along with the classification legend (key) below. What classification (metals, metalloids, or nonmetals) shows up the most often for just these 9 elements?

• Metals
• Metalloids
• Nonmetals

Tags

NGSS.MS-PS1-2

A molecule of sodium chloride (NaCl) has one atom of sodium and one atom of chlorine. Which model would best represent this substance?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1