Викторина без названия

Specify the type of chemical bond in the molecule of hydrogen

• covalentn bond

• covalent nonpolar

• hydrogen bond

• bond

What is the type of chemical bond between the water molecules

• hydrogen

• covalent

• ionic

• metallic

What property of covalent bond predetermines the spatial structure of molecules?

• properties

• structure

• direction

• molecules

Specify the angle between the orbitals in sр2- hybridization

• 117

• 95

• 100

• 120

Which of the choices has covalent polar bond?

• MgCl

• HCL

• Na2

• Ca2Co3

Identical valence in hydrogen compound and in a higher oxide is exposed by an element

• carbon

• Identical valence

• higher oxide

• exposed

Which of the choices has covalent nonpolar bond?

• Mg2

• H2

• Na

• I

Which of the choices has only ionic bond?

• HCl

• Na2SO3

• Na2S

• Ca

Which of the choices has ionic and covalent bond?

• O3

• N2

• HF

• NH4NO3

Which of the choices has only covalent polar bond?

• HCL

• F2

• NaH

• Mg