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Tenth Grade (Grade 10) Periodic Table and Elements Questions

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Grade 10 Periodic Table and Elements
Which of the following contains a triple covalent bond?
  1. HCN
  2. O2
  3. HCl
  4. H2O
Grade 10 Periodic Table and Elements
Oxygen, O (atomic number 8), is in group 16 in the periodic table.

What would happen to this oxygen-16 atom if it loses two protons and two neutrons?
  1. Nitrogen-14 would be the end product.
  2. It would become the isotope oxygen-12.
  3. It would transform into the atom carbon-12.
  4. The oxygen-16 would have an electrical charge of 2-.
Grade 10 Periodic Table and Elements
What is the average atomic mass of zirconium based on the graph below?
  1. 92.6
  2. 91.3
  3. 115.51
  4. 92
  5. 93.2
Grade 10 Periodic Table and Elements
Most of the elements in Groups 13-18 are classified as
  1. alkali metals.
  2. inner transition metals.
  3. nonmetals.
  4. alkaline earth metals.
Grade 10 Periodic Table and Elements
The lanthanides are placed in the Periodic Table at the
  1. left-hand side.
  2. right-hand side.
  3. middle.
  4. bottom.
Grade 10 Periodic Table and Elements
Which family is the following element in?
Electron-Dot Diagram - Calcium
  1. Noble gases
  2. Alkaline earth metals
  3. Alkali metals
  4. Halogens
Grade 10 Periodic Table and Elements

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

Which element contains properties of both metals and nonmetals?
  1. Si
  2. Ne
  3. Al
  4. O
Grade 10 Periodic Table and Elements
54 is the atomic number for Xe.
  1. True
  2. False
Grade 10 Periodic Table and Elements
How many elements are there on the periodic table?
  1. 82
  2. 118
  3. 218
  4. 318
Grade 10 Periodic Table and Elements
What is shown above the element symbol on the periodic table?
  1. atomic mass
  2. element name
  3. atomic number
  4. number of isotopes
Grade 10 Periodic Table and Elements
On the present Periodic Table of the Elements, the elements are arranged according to increasing what?
  1. number of neutrons
  2. number of oxidation states
  3. atomic number
  4. atomic mass
Grade 10 Periodic Table and Elements
Which element has the most stable electron configuration?
  1. Na
  2. Cl
  3. Ar
  4. Cr
Grade 10 Periodic Table and Elements
Which group of elements are characterized by stability and lack of reactivity?
  1. Alkaline Earth metals
  2. Alkali metals
  3. Noble gases
  4. Lanthanoids
  5. Metalloids
Grade 10 Periodic Table and Elements
Te is the symbol for
  1. titanium.
  2. terbium.
  3. tungsten.
  4. tellurium.
Grade 10 Periodic Table and Elements
What happens to the number of valence electrons going across Period 2 in order of increasing atomic number?
  1. The number of valence electrons increases and decreases across the period.
  2. The number of valence electrons increases.
  3. The number of valence electrons decreases.
  4. The number of valence electrons remains the same.
Grade 10 Periodic Table and Elements
Which pair of elements would you expect to have similar properties?
  1. At and F
  2. F and O
  3. Ge and As
  4. Li and Fe
Grade 10 Periodic Table and Elements
How did Mendeleev arrange the Periodic Table?
  1. atomic number
  2. atomic mass
  3. oxidation state
  4. electron configuration
Grade 10 Periodic Table and Elements
Sr is the symbol for strontium.
  1. True
  2. False
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