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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 these are noble gases?
  1. He, F, Kr, Ar
  2. Ar, Br, Xe, Rn
  3. Br, F, Ca, He
  4. He, Ar, Ne, Xe
Grade 10 Periodic Table and Elements
Which of the following instruments could be used to detect the presence of isotopes?
  1. Cathode ray tube
  2. Electrons microscope
  3. Gieger muller counter
  4. Mass spectrometer
Grade 10 Periodic Table and Elements
The noble gasses are                .
  1. monoatomic
  2. diatomic
  3. triatomic
  4. polyatomic
Grade 10 Periodic Table and Elements
Grade 10 Periodic Table and Elements
Grade 10 Periodic Table and Elements
Which statement best explains why most atomic masses on the Periodic Table are decimal numbers?
  1. Atomic masses are determined relative to an O-16 standard.
  2. Atomic masses are an estimated average of the artificially produced isotopes.
  3. Atomic masses are a weighted average of the naturally occurring isotopes.
  4. Atomic masses are determined relative to an H-1 standard.
Grade 10 Periodic Table and Elements
Grade 10 Periodic Table and Elements
Grade 10 Periodic Table and Elements
Grade 10 Periodic Table and Elements
Which of the following qualities is not typical of metals?
  1. They are malleable.
  2. They form ionic compounds with non-metals.
  3. They conduct electricity.
  4. They form negative ions.
Grade 10 Periodic Table and Elements
Iodine I has a lower relative atomic mass than tellurium Te but is placed after it in the periodic table.
  1. Iodine has fewer neutrons than tellurium.
  2. Iodine has fewer protons than tellurium.
  3. Iodine has more neutrons than tellurium.
  4. Iodine has more protons than tellurium.
Grade 10 Periodic Table and Elements
Which element is a noble gas?
  1. manganese
  2. chlorine
  3. krypton
  4. antimony
Grade 10 Periodic Table and Elements

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

Which of the following statements correctly describes the behavior of elements that are NOT in Group 18?
  1. They will become atoms in the excited state.
  2. They will become atoms in the ground state.
  3. They will lose, gain, or share electrons to form a configuration that matches that of a noble gas.
  4. They will lose or gain electrons, only.
Grade 10 Periodic Table and Elements
The elements iron, cobalt and nickel are known as the iron triad. A special characteristic of these three elements is that they
  1. are often used in making coins.
  2. will not form compounds.
  3. can be magnetized.
  4. only have one neutron.
Grade 10 Periodic Table and Elements
Which of the following statements is true about halogens?
  1. They have low electronegativity values, compared to nonmetals.
  2. They are all liquids at STP.
  3. They react only with Group 1 metals.
  4. They are very reactive nonmetals.
Grade 10 Periodic Table and Elements
Which of the following increases going down Group 17 on the Periodic Table?
  1. the number of valence electrons
  2. the number of electron shells
  3. the electronegativity
  4. the first ionization energy
Grade 10 Periodic Table and Elements
Which of the following distinguishes an alkaline earth metal from an alkali metal?
  1. The atomic number
  2. The mass number
  3. The number of protons
  4. The number of valence electrons
Grade 10 Periodic Table and Elements
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