Counting Elements

HOW MANY ELEMENTS ARE PRESENT IN SULFURIC ACID, H₂SO₄? (PICTURED ABOVE)

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

SODIUM CHLORIDE IS COMMONLY CALLED TABLE SALT. HOW MANY ELEMENTS ARE IN NaCl?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

GLUCOSE (C₆H₁₂O₆) IS A SIMPLE SUGAR SYNTHESIZED BY PLANTS. HOW MANY ELEMENTS ARE PRESENT IN THIS COMPOUND?

• 1

• 2

• 3

• ALL OF THE ABOVE

Tags

NGSS.MS-PS1-1

WHICH OF THESE COMPOUNDS CONTAINS MORE ELEMENTS: NaHCO₃ (BAKING SODA) OR CaCO₃ (CHALK)?

• THEY HAVE AN EQUAL NUMBER OF ELEMENTS

• CHALK

• BAKING SODA

• ALL OF THE ABOVE

Tags

NGSS.MS-PS1-1

What is the atomic number of this element?

• 2

• He

• Helium

• 4.0026

Tags

NGSS.MS-PS1-1

Element or Not an Element? Is this on the periodic table??

• Yes

• No

• Possibly depending on the temperature

Tags

NGSS.MS-PS1-1

NaHCO₃ (BAKING SODA) CONTAINS _______ ELEMENTS WHILE CaCO₃ (CHALK) CONTAINS ________ ELEMENTS.

• 3,3

• 5, 4

• 4, 4

• 4, 3

Tags

NGSS.MS-PS1-1

SODIUM HYPOCHLORITE (NaClO) COMMONLY KNOWN AS BLEACH, CONTAINS _______ ELEMENTS.

• 2

• 4

• 6

• NONE OF THE ABOVE

Tags

NGSS.MS-PS1-1

SiO₂ IS COMMONLY KNOWN AS GLASS. HOW MANY ELEMENTS DOES SILICON DIOXIDE CONTAIN?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

How many Hydrogen are in 4H₂O?

• 6

• 8

• 2

• 4

Tags

NGSS.MS-PS1-1