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Periodic Table and Elements Questions - All Grades

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Grade 7 Periodic Table and Elements
O is the correct chemical symbol for oxygen.
  1. True
  2. False
Grade 8 Periodic Table and Elements
Mercury is a metalloid.
  1. True
  2. False
Grade 7 Periodic Table and Elements
The Periodic Table contains all of the following except
  1. atomic number.
  2. chemical symbol.
  3. atomic mass.
  4. chemical formula.
Grade 9 Periodic Table and Elements
What is the element symbol for chlorine?
  1. Ca
  2. Cu
  3. Cl
  4. Mg
  5. Sn
Grade 10 Periodic Table and Elements
Elements in Group 18 on the periodic table are known as                      .
  1. Alkaline earth metals
  2. the Noble Gases
  3. metalloids
  4. transition elements
Grade 8 Periodic Table and Elements
Cobalt has 27 protons.
  1. True
  2. False
Grade 5 Periodic Table and Elements
Which of the following is an example of an element?
  1. Rust
  2. Hydrogen
  3. Carbon Dioxide
  4. Water
Grade 6 Periodic Table and Elements
No element symbol will have two upper case letters together.
  1. True
  2. False
Grade 5 Periodic Table and Elements
Most elements are what?
  1. gases
  2. metals
Grade 11 Periodic Table and Elements
Valence electrons are those in the outermost layers of an atom.
  1. True
  2. False
Grade 5 Periodic Table and Elements
The smallest unit of an element is a(n)               .
  1. atom
  2. metal
  3. solution
  4. compound
Grade 6 Periodic Table and Elements
Another word for element is a(n)                .
  1. compound
  2. pure substance
  3. mixed substance
  4. solid
Grade 6 Periodic Table and Elements
The scientist                   developed the Periodic Table of the Elements.
  1. Dmitri Mendeleev
  2. Robert Boyle
  3. Niels Bohr
  4. Ernest Rutherford
Grade 9 Periodic Table and Elements
What is the element symbol for potassium?
  1. K
  2. Ca
  3. Pb
  4. Sn
Grade 10 Periodic Table and Elements
Which statement about nitrogen and phosphorus is not correct?
  1. Both are in the same group of the Periodic Table.
  2. Both are in the same period of the Periodic Table.
  3. Both are non-metals.
  4. Both have the same number of electrons in their outer shell.
Grade 4 Periodic Table and Elements
Which of the following is an element?
  1. water
  2. heat
  3. volume
  4. gold
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