Quiz Kimia XI 8 SMADA JEMBER

What type of chemical bond occurs between sodium (Na) and chlorine (Cl) in NaCl?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

What is the molecular shape of CH₄ (methane)?

• Linear

• V-shape

• Tetrahedral

• Trigonal planar

What is the molecular shape of H₂O (water)?

• Linear

• V-shape

• Tetrahedral

• Trigonal planar

What is the molecular shape of CO₂?

• Linear

• V-shape

• Tetrahedral

• Trigonal planar

According to VSEPR theory, how many lone pairs of electrons are on the central atom in the molecule NH3 (ammonia)?

• 0

• 1

• 2

• 3

The molecule NH3 has a trigonal pyramidal shape. How many lone pairs of electrons (E) are on the central atom in AXE notation for the molecule NH3?

• E = 0

• E = 1

• E = 2

• E = 3

The molecule CO2 has a linear molecular shape. The AXE notation for the molecule CO2 is:

• AX2

• AX2E

• AX2E2

• AX3

The molecule PCl5 has a trigonal bipyramidal shape. How many electron pairs (X) are around the central atom in AXE notation for the molecule PCl5?

• X = 2

• X = 3

• X = 4

• X = 5

The molecule H2O has a bent (V-shaped) molecular shape due to lone pairs of electrons on the central atom. What is the correct AXE notation for the molecule H2O?

• AX2

• AX2E

• AX2E2

• AX3E

The molecule CH4 has a tetrahedral molecular shape. What is the correct AXE notation for the molecule CH4?

• AX2E2

• AX3E

• AX4

• AX4E