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Test your knowledge of fundamental chemistry concepts with this quiz. Identify chemical and physical changes, atomic structure, compounds, acids and bases, and more.
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Team 1 Team 2 Team 3 Category 1 Category 2 Category 3 Category 4 Category 5 Category 6 $200 $200 $200 $200 $200 $200 $400 $400 $400 $400 $400 $400 $600 $600 $600 $600 $600 $600 $800 $800 $800 $800 $800 $800 $1,000 $1,000 $1,000 $1,000 $1,000 $1,000
$200 Question from Category 1 Answer • A change that produces one or more new substances with new chemical properties • For example: Burning paper (combustion in general ) digestion of food, rusting, fireworks exploding, cooking an egg, any chemical reaction
$200 Answer from Category 1 Chemical Change
$400 Question from Category 1 Answer • A change in which the appearance (physical properties) of a substance changes but its chemical properties stay the same. • Examples: Crushing a can, Melting an ice cube, Boiling water, Mixing sand and water, Breaking a glass, Dissolving sugar and water, Shredding paper, Chopping wood
$400 Answer from Category 1 Physical Change
$600 Question from Category 1 Answer One of the spaces around the nucleus of an atom in which an electron
$600 Answer from Category 1 Energy Level
$800 Question from Category 1 Answer An atom that has either a positive or negative change
$1000 Question from Category 1 Answer The attractive force that holds atoms together
$1000 Answer from Category 1 Chemical Bond
$200 Question from Category 2 Answer A number in a formula that tells the number of atoms of an element in a compound
$200 Answer from Category 2 Subscript
$400 Question from Category 2 Answer A group of two or more atoms that acts like one atom
$400 Answer from Category 2 Radicals
$600 Question from Category 2 Answer A compound that contains two elements
$600 Answer from Category 2 Binary Compound
$800 Question from Category 2 Answer A compound that reacts with metals to produce hydrogen
$1000 Question from Category 2 Answer A compound that contains the hydroxyl (OH) radical
$200 Question from Category 3 Answer A substance that changes color when in an acid or a base
$200 Answer from Category 3 Indicator
$400 Question from Category 3 Answer A number that tells whether a substance is an acid or a base
$600 Question from Category 3 Answer Hydrogen’s one electron is found in the____ energy level
$800 Question from Category 3 Answer • Which of the following • compounds has 5 atoms? • Ca(OH)3 b. CH4 c. NaCl • d. H2O
$800 Answer from Category 3 B. CH4
$1000 Question from Category 3 Answer A sodium ion has a positive charge because it has
$1000 Answer from Category 3 more electrons than protons
$200 Question from Category 4 Tell how the compound CaCl, which has two elements, is named. Answer
$200 Answer from Category 4 The first name of the Is the same as the first element in the compounds formula, calcium. The second Name is the name of the second element with the ending changed To -ide or chloride
$400 Question from Category 4 Answer How are compounds with more than two elements named?
$400 Answer from Category 4 A chemical formula Tells what kinds of Atoms are in a compound and how many atoms of each kind are present. The number of atoms in indicated by subscript.
$600 Question from Category 4 Answer What does the information in a chemical formula mean?
$600 Answer from Category 4 A compound can be described by the names and amounts of each element that the compound contains
$800 Question from Category 4 Answer Describe compounds.
$800 Answer from Category 4 When atoms of elements combine to form compounds they share lend, or borrow electrons that are in their outermost energy level
$400 Answer from Category 5 Centigram, cm
$600 Question from Category 5 Answer Convert 1000 kl to Liters
$600 Answer from Category 5 1 Liter
$800 Question from Category 5 Answer Convert 90 g to cg
$800 Answer from Category 5 9,000 g
$1000 Question from Category 5 Answer Convert 9 mm to km
