Chemistry - Ionic Bonding

Front

Which particle, W, X, Y or Z, is a negative ion?

Back

Z

Front

Which change to an atom occurs when it forms a positive ion?

Back

It loses electrons.

Front

The electronic configuration of an ion is 2.8.8. What could this ion be? Options: A, B, C, D

Back

A

Front

When sodium chloride is formed from its elements, each chlorine atom ……1…… one ……2…….

Back

A

Front

Which two elements react together to form an ionic compound? Options: W AND X, X AND Y, Y AND Z, Z AND W

Back

Y AND Z

Front

The element rubidium, Rb, is immediately below potassium in the Periodic Table. It reacts with bromine to form the compound rubidium bromide. Which descriptions of this compound are correct? A, B, C, D

Back

C

Front

The table contains information about four substances. Which substance is potassium chloride? A, B, C, D

Back

C

Front

Rubidium reacts with bromine to form an ionic compound. Which row shows the electron change taking place for rubidium and the correct formula of the rubidium ion?

Back

C

Front

Which statement about sodium chloride is not correct?

• Ions are formed when atoms lose or gain electrons
• Ions in sodium chloride are strongly held together
• Ions with the same charge attract each other
• Sodium chloride solution can conduct electricity

Back

Ions with the same charge attract each other.

Front

What has the highest value in the ion Q+? Options: the nucleon number, the number of electrons, the number of neutrons, the proton number.

Back

the proton number