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Search Results for elements - All Grades

1609 questions match "elements". Refine Your Search

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Grade 6 Periodic Table and Elements
Which element is an example of a rare earth element?
  1. Magnesium
  2. Calcium
  3. Sodium
  4. Uranium
Grade 8 Periodic Table and Elements
Periodic law states that
  1. elements are either gases, solids, or liquids.
  2. mercury is a liquid at room temperature.
  3. the properties of elements change periodically with the elements' atomic numbers.
  4. some elements only stay in a liquid state for short periods.
College Chemistry
In the term "trace element", the word "trace" means
  1. the element is required in very small amounts.
  2. the element can be used as a label to trace atoms though the organism's metabolism.
  3. the element is very rare on Earth.
  4. the element enhances health but is not essential for the organism's long-term survival.
Grade 9 Molecules and Compounds
A compound contains two or more
  1. elements physically combined.
  2. simple substances.
  3. elements chemically combined.
  4. nuclei combined with electrons.
Grade 12 Physics
In a single displacement or replacement reaction, what happens?
  1. Two elements exchange places.
  2. Two compounds exchange ions.
  3. A single element displaces another from a compound.
  4. A compound breaks down into elements.
Grade 9 Atomic Structure
Grade 9 Periodic Table and Elements
What is a substance consists of only one kind of atom?
  1. Mixture
  2. Solution
  3. Compound
  4. Element
Grade 10 Periodic Table and Elements
Grade 10 Properties of Matter
Matter is made up of                .
  1. elements
  2. compounds
  3. liquids
  4. gases
Grade 3 Musical Terms
The structure of a musical piece.
  1. Elements
  2. Harmony
  3. Melody
  4. Listen
Grade 9 Periodic Table and Elements
Grade 9 Molecules and Compounds
Grade 10 Properties of Matter
Grade 8 Quantum Physics and the Atom
Grade 9 Biology
Any living thing is called a(n)
  1. cell.
  2. organism.
  3. molecule.
  4. element.
Grade 6 Atomic Structure
The smallest building blocks of matter are called
  1. atoms.
  2. protons.
  3. elements.
  4. reactions.
Grade 6 Properties of Matter
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