IPC Final Exam Review

How many elements are in C₆H₁₂O₆?

• 3
• 27
• 24
• 36

What particle(s) is/are located in the nucleus of an atom?

• protons
• electrons and protons
• protons and neutrons
• neutrons and electrons

What does the atomic number tell you?

• The number of protons
• The number of neutrons
• The number of electrons
• The mass

How many columns are on the periodic table?

• 15
• 7
• 180
• 18

How is the periodic table arranged?

• Alphabetically
• By Symbol
• By increasing atomic number
• By color

During a chemical reaction, the starting materials are called _____________  and the ending materials are called  _______ .

• precipitates, products
• products, precipitates
• products, reactants
• reactants, products

When two elements react, the new substance will most likely have properties that are _________.

• a combination of both elemetns
• different from both elements
• part of each element
• the same as one element

Which of the following is an example of a chemical change?

• Water freezing
• Ice melting
• frying an egg
• Cutting paper

In a chemical reaction, 90g of substance AB is created. If there was 35g of substance A, how many grams of substance B were present at the start of the reaction?

• 125g
• 60g
• 55g
• 45g

Argon is a member of the noble gases in group 18. How many valence electrons does argon have?

• 10
• 18
• 8
• 24