Chemistry

What is the name of a positively charged ion?

• positron

• proton

• cation

• anion

Tags

NGSS.MS-PS2-3

What is the name of a negatively charged ion?

• negatron

• electron

• cation

• anion

Tags

NGSS.MS-PS2-3

What particle carries the charge in the electrolyte?

• electron

• proton

• ion

• atom

Tags

NGSS.HS-PS2-5

Positive ions (cations) will move towards the cathode (-) where they will discharge by....

• Breaking apart

• Losing electrons

• Clumping together.

• Gaining electrons

Tags

NGSS.HS-PS2-5

Choose the half-equation that shows the discharge of aluminium ion.

• Al³⁺ - 3e^- --> Al

• Al²⁺ + 3e^- --> Al

• Al³⁺ + 3e^- --> Al

• Al³⁺ --> Al + 3e^-

Tags

NGSS.HS-PS1-2

What is the name of a negatively charged electrode?

• cathode

• anode

• cation

• anion

Tags

NGSS.HS-PS2-5

What is the name of a positively charged electrode?

• cathode

• anode

• cation

• anion

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What state must the ionic compound be in to be electrolysed?

• aqueous only

• solid only

• solid or aqueous only

• molten or aqueous only

What particle carries the charge in the wire?

• electron

• proton

• ion

• atom

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In an aqueous solution of copper chloride, which ions are attracted to the negative electrode?

• Cu²⁺ and Cl^- and H⁺ and OH^-

• Cu²⁺ and H⁺ 

•  Cl^- and OH^-

• Cu²⁺ 

Tags

NGSS.HS-PS2-4

NGSS.HS-PS2-5