Types of Reactions and Reactivity

• Synthesis

• Decomposition

• Single Replacement

• Combustion

• Yes

• No

Answer explanation

Silver (Ag) is LESS reactive than Potassium (K) so no reaction will take place.

Tags

NGSS.HS-PS1-1

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What dictates whether a single replacement reaction will take place or not?

• Size of the element

• Reactivity

• Bond strength

• Polarity

Which metal is the MOST reactive?

Lithium (Li), Magnesium (Mg), Lead (Pb), Gold (Au)

• Lead (Pb)

• Lithium (Li)

• Gold (Au)

• Magnesium (Mg)

Tags

NGSS.HS-PS1-1

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What are the products of a combustion reaction?

• CO and H₂O

• O₂ and N₂

• CO₂ only

• CO₂ and H₂O

What is a Synthesis reaction?

•  A chemical reaction in which two or more chemicals bond to form one new substance.

•  One substance breaks down into two or more separate substances

• The exchange of ions between two compounds.

•  Oxygen combines with a compound and releases energy in the form of heat and light.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• Yes

• No

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• Ni + Ag + SO₃

• Ni(SO₃)₂ + Ag

• No reaction

Answer explanation

Nickel (Ni) is MORE reactive than Silver (Ag) so a reaction will take place.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• No reaction

• NaI + Br₂

• BrI + Na

• Na₂I + Br

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 4Ag + O₂

• No reaction

• Ag + AgO

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7