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Tenth Grade (Grade 10) Periodic Table and Elements Questions

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Grade 10 Periodic Table and Elements
Noble gases are unreactive because they have a full shell of                      .
  1. inner-level electrons
  2. protons
  3. valence electrons
  4. neutrons
Grade 10 Periodic Table and Elements
Which of the following will decrease as you move left to right across a period of the Periodic Table?
  1. electron affinity
  2. atomic radius
  3. electronegativity
  4. atomic number
Grade 10 Periodic Table and Elements
Carbon-13 is an                 of carbon.
  1. atomic number
  2. atomic mass
  3. allotrope
  4. isotope
Grade 10 Periodic Table and Elements
Which of the following lists contains elements with seven electrons in their outermost energy levels?
  1. He, Ne, and Ar
  2. Cr, Mn, and Fe
  3. Br, I, and Cl
  4. O, S, and Se
Grade 10 Periodic Table and Elements
If the element copper has 29 protons, how many electrons does it have?
  1. 22
  2. 27
  3. 28
  4. 29
Grade 10 Periodic Table and Elements
Which elements are poor conductors of electricity and heat?
  1. metals
  2. nonmetals
  3. metalloids
  4. actinides
Grade 10 Periodic Table and Elements
Which of the following elements has the smallest atomic radius?
  1. Sulfur
  2. Chlorine
  3. Aluminum
  4. Sodium
Grade 10 Periodic Table and Elements
On the periodic table, the term "transition elements" refers to elements
  1. that are in Group 18.
  2. with one electron in their outer shell.
  3. in Groups 3 - 12.
  4. which are the most stable.
Grade 10 Periodic Table and Elements
Which feature on the Periodic Table is used to identify an element?
  1. atomic mass
  2. charge
  3. group
  4. atomic number
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 10 Periodic Table and Elements
P has an atomic number of
  1. 12.
  2. 15.
  3. 17.
  4. 18.
Grade 10 Periodic Table and Elements
Which two elements will have similar physical and chemical properties?
  1. Br and Se
  2. Ca and Mg
  3. Ge and Se
  4. K and Mg
Grade 10 Periodic Table and Elements
The Periodic Law is
  1. a theory.
  2. a number.
  3. a law stating that all properties of an element result from arrangements of elements based on atomic number.
  4. an element on the Periodic Table.
Grade 10 Periodic Table and Elements

This question is a part of a group with common instructions. View group »

A nitrogen atom can achieve an octet by                        .
  1. gaining four electrons
  2. gaining three electrons
  3. losing one electron
  4. losing three electrons
Grade 10 Periodic Table and Elements
Which kind of element is located in the middle of the Periodic Table?
  1. nonmetal
  2. metalloid
  3. metal
  4. noble gas
Grade 10 Periodic Table and Elements
Which of these substances is not an element?
  1. water
  2. hydrogen
  3. aluminum
  4. iron
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