Chemistry Bonding

Which ion is formed by sodium (Na)?

• Na^-

• Na⁺

• Na⁺⁷

• Na^-7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which ion is formed by magnesium (Mg)?

• Mg^-

• Mg⁺

• Mg²⁺

• Mg^2-

Which ion is formed by oxygen (Mg)?

• O^-

• O⁺

• O²⁺

• O^2-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which ion is formed by Chlorine (Cl)?

• Cl^-

• Cl⁺

• Cl²⁺

• Cl^2-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Choose the correct words to complete the sentence:

Ionic compounds can conduct electricity when ____________ or ____________.

• solid

• aqueous (dissolved)

• powdered

• squashed

• molten

What is the correct name for FeCl₃?

• Iron chloride

• Iron trichloride

• Iron (III) chloride

• Fluorine trichloride

What is a cation?

• An ion

• A negative ion

• A positive ion

• An atom that has gained electrons

Which of the following species has delocalised electrons?

• FeO

• O₂

• NO₃^-

• Fe

Choose all of the substances that would be good conductors of electricity.

• Mg _(s)

• NaF _(s)

• MgCO_{3 (aq)}

• CO_{2 (g)}

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS2-5

Which of the following species shows the ammonium ion?

• NH₃

• NH₃ ⁺

• NH₄

• NH₄ ⁺