Q2 Make-Up Assignment

Front

What is the formula to determine the number of atoms in a compound?

Back

To find the number of atoms of a specific element in a compound, multiply the coefficient in front of the compound by the subscript of the element in the formula.

Front

How many manganese (Mn) atoms are in 3Cr(MnO4)6?

Back

18 Mn atoms (3 x 6 = 18).

Front

What is the reactant side of a chemical equation?

Back

The left side of a chemical equation, which shows the substances that react.

Front

What is a Lewis dot diagram?

Back

A visual representation of the valence electrons of an atom, showing how they are arranged in pairs.

Front

What happens when sodium (Na) and chlorine (Cl) bond?

Back

Sodium loses one electron and chlorine gains one electron, forming an ionic bond.

Front

What is the name of the compound Br6F10?

Back

None of the above (the correct name is hexabromine decafluoride).

Front

What type of reaction is represented by Ca + NiCl2 → Ni + CaCl2?

Back

Single Replacement reaction.

Front

What is a synthesis reaction?

Back

A type of chemical reaction where two or more simple substances combine to form a more complex product.

Front

What is a decomposition reaction?

Back

A reaction where a single compound breaks down into two or more simpler products.

Front

What is a combustion reaction?

Back

A chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat.