Metallic Reactivity

When metal reacts with liquid water the products are...

• metal hydroxide and oxygen gas
• metal hydroxide and hydrogen gas
• metal oxide and oxygen gas
• metal oxide and hydrogen gas

Tags

NGSS.HS-PS1-1

What is the correct equation when potassium reacts with water?

• 2K (s) + H₂O (l) -->  KOH (aq) + H₂ (g)
• K (s) + 2H₂O (l) -->  KOH (aq) + 2H₂ (g)
• 2K (s) + 2H₂O (l) -->  2KOH (aq) + H₂ (g)
• K (s) + H₂O (l) -->  KOH (aq) + H₂ (g)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-4

Which of the following is arranged according increasing reactivity?

• Mg > Li > Na > K
• Mg > Na > Li > K
• Na > Li > Mg > K
• K > Mg > Na > Li

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following does not react with water?

• lithium
• magnesium
• lead
• calcium

Which of the following the most reactive in dilute acid

• magnesium
• calcium
• aluminum
• zinc

What is made when magnesium reacts with hydrochloric acid?

• magnesium nitrate and hydrogen gas
• magnesium sulfate and hydrogen gas
• magnesium oxide and oxygen gas
• magnesium chloride and hydrogen gas

Tags

NGSS.HS-PS1-1

Which of the following is the correct equation when aluminum reacts with sulfuric acid?

• 2Al (s) + 3H₂SO₄ (aq) -->  Al₂(SO₄)₃ (aq) + 3H₂ (g)
• 2Al (s) + 3H₂SO₄ (aq) -->  Al₂(SO₄)₃ (l) + 3H₂ (s)
• 2Al (s) + 3H₂SO₄ (l) -->  Al₂(SO₄)₃ (l) + 3H₂ (g)
• 2Al (s) + 3H₂SO₄ (s) -->  Al₂(SO₄)₃ (l) + 3H₂ (g)

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

When a metal reacts with oxygen gas, the product is ...

• metal hydroxide
• metal oxide
• metal oxide and oxygen
• metal hydroxide and hydrogen gas

The least reactive in oxygen in the list is 

• iron
• zinc
• copper
• lead

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Complete the following equation: 
2Cu (s)  +  O₂ (g)  -->

• 2CuO (s)
• 2CuO (g)
• 4CuO (s)
• 2CuO (g)

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5