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Grade 11 Atomic Structure
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
  1. Hund’s Rule
  2. Pauli Exclusion Principle
  3. Aufbau Principle
  4. None of the above
Grade 8 Acids and Bases
A solution at pH 11.5 is                  .
  1. acidic
  2. basic
  3. neutral
  4. none of the above
Grade 8 Periodic Table and Elements
How many neutrons in an atom of chlorine?
  1. 16
  2. 17
  3. 18
  4. 35
Grade 2 Matter
What is an example of a solid turning into another state of matter?
  1. breaking a chair into pieces
  2. snow becoming a puddle
  3. tearing a piece of paper
  4. water freezing
Grade 2 Matter
What has a definite shape and volume?
  1. gas
  2. liquid
  3. solid
Grade 5 Properties of Matter
Burning a match is an example of a
  1. chemical change.
  2. physical change.
  3. chemical property.
  4. physical property.
Grade 7 Properties of Matter
                is anything that has                 and takes up space.
  1. Matter, mass
  2. Mass, matter
  3. Atom, mass
  4. Proton, matter
Grade 4 Matter
Three states of matter are                         .
  1. solid, liquid, and gas
  2. buoyancy, mass, shape
  3. gas, liquid, and mixture
  4. density, weight, and gas
Grade 7 Molecules and Compounds
A chemical combination of two or more atoms is a(n)                .
  1. volume
  2. molecule
  3. chemical bond
  4. isotope
Grade 6 Atomic Structure
A(n)                 is the smallest part of matter.
  1. atom
  2. element
  3. liquid
  4. ion
Grade 7 Biochemical Pathways
Photosynthesis takes place in the
  1. chloroplasts.
  2. mitochondria.
  3. nucleus.
  4. Golgi apparatus.
Grade 2 Matter
When water vapor gets cold, it turns to                .
  1. a raindrop
  2. a solid
  3. an ice
  4. a liquid
Grade 6 Periodic Table and Elements
The sum of the number of protons and neutrons results in an atom's approximate                .
  1. atomic number
  2. atomic mass
  3. electrons
  4. pH scale
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