Summer Chem Review

What is the number of protons that the element in this image contain?

• 14

• 7

• 15

• 18

Which is an example of a physical property?

• rusting
• boiling point
• combustion
• reactivity with water

Which type of bond has one pair of electrons shared between atoms?

• ionic
• single covalent
• metallic
• double covalent

Which is the charge that results when oxygen becomes an ion?

• +3
• +2
• -2
• -3

Which is the correct name for the compound FeS?

• iron (II) sulfide (II)
• iron (II) sulfide
• iron (I) sulfide
• iron sulfide

What is the name of N₂O₃

• Nitrogen trioxide
• Dinitrogen oxide
• Dinitrogen trioxide
• Nitrogen oxide

What would be the proper chemical formula for combining Al³⁺ and Cl^- :

• AlCl₃
• Al₃Cl
• AlCl
• Al₃Cl₃

Which element is a noble gas?

• a. krypton
• b. chlorine
• c. antimony
• d. manganese

Covalent bonds are formed when electrons are

• a. transferred from one atom to another
• b. captured by the nucleus
• c. mobile within a metal
• d. shared between two atoms

What are the coefficients that will balance the skeleton equation below?

AlCl₃ + NaOH → Al(OH)₃ + NaCl

• 1,3,1,3

• 3,1,3,1

• 1,1,1,3

• 1,3,3,1