CHE 022 LABORATORY EXAM

STUDENT NAME (LAST, GIVEN M.I)

CLASS SECTION

PASSCODE:

The distribution of electrons in the different orbitals in an atom is shown by?

• electron configuration only
• orbital diagram only
• both electron configuration and orbital diagram
• none of the above

What orbital is being represented on the illustration below?

• s orbital
• p orbital
• d orbital
• f orbital

Which element is being represented by the orbital diagram below?

• potassium
• aluminum
• magnesium
• sulfur

What is the chemical name of GaAs?

• Gallium arsenide
• Gallium arsenic
• Gallium monoarsenide
• Gallium monoarsenic

What is the chemical formula of lithium iodide?

• LI
• LiIo
• LiI
• LIo

Which of the following compound is not matched according to what it is used for?

• NaCl – treat or prevent sodium loss due to dehydration
• KI – protects the thyroid gland from possible injury by unreactive iodine
• NaF – used as an insecticide
• CaCO3 – a dietary supplement

What is the chemical formula of Bromic Acid?

• H3BO3
• HBRO3
• HBRO2
• HSbO3