Properties & Bonding

Which of the following would react to form an ionic compound

• Copper & Zinc

• Boron and Carbon

• Fluorine and Lithium

• Carbon and Bromine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following will not conduct when dissolved in solution?

• Sugar

• Lithium Oxide

• Sodium Chloride

• Potassium Iodide

Covalent networks have ________ melting and boiling points.

Which of the following solids will conduct electricity

• Silicon

• Magnesium

• Iodine

• Sugar

What is the ionic formula of sodium chloride?

• NaCl

• Na²⁺Cl^-

• Na⁺Cl^-

• NaCl^-

The melting points of covalent molecules are:

• very high

• high

• medium

• low

Tags

NGSS.HS-PS1-3

Which of the following are soluble in water (you may wish to use the data booklet)

• sugar

• salt

• copper carbonate

• Lithium chloride

What is the valency of the copper atom in Copper (II) chloride?

• 0

• 1

• 2

• 3

Copper (II) Oxide has the formula:

• CuO

• Cu₂O

• Cu₂O₂

• CuO₂

What is the charge on an oxide ion?

• 1+

• 2+

• 1-

• 2-