kiquo.com

Huge Mendeleev periodic table of elements in DubnaSalixinto, CC BY-SA 4.0, via Wikimedia Commons

Chemical Elements Quiz

To what extent are you familiar with the symbols representing the elements in the periodic table?

Introducing the Fourth Part of the Periodic Table Symbols Quiz! As we approach the latter stages of this quiz series, we embark on a captivating journey into the realm of element symbols. Get ready to unlock the secrets of additional element symbols as we delve into this engaging fourth part of the quiz. 

Due to its extensive content, the Periodic Table Symbols Quiz is divided into five parts, making it easier for students to keep track of their progress and reinforce their understanding of the elements that require more attention.

This is the 4th part of the periodic table quiz, and it covers questions about elements with atomic numbers 76 to 100. Let's continue our exploration and see how well you can decipher these intriguing symbols!

Part 1Part 2 / Part 3 / Part 4 / Part 5

Start the Chemical Elements quiz

Questions and answers about Periodic Table (Part 4)

  • What symbol represents osmium?

    Osmium is a chemical element with atomic number 76 and symbol "Os". It is a dense, bluish-white metal that is one of the platinum group metals. Osmium has applications in alloys, electrical contacts, and fountain pen tips.

    • O
    • Ou
    • Os
    • Om
  • What symbol represents iridium?

    Iridium is a chemical element with atomic number 77 and symbol "Ir". It is a dense, silvery-white metal that is also one of the platinum group metals. Iridium has applications in spark plugs, crucibles, and as a coating for electrical contacts.

    • I
    • Id
    • Ir
    • Iu
  • What symbol represents platinum?

    Platinum is a chemical element with atomic number 78 and symbol "Pt". It is a dense, silvery-white metal that is highly valued for its resistance to corrosion and its use in jewelry. Platinum has applications in catalytic converters, laboratory equipment, and as an investment metal.

    • P
    • Pl
    • Pt
    • Pm
  • What symbol represents gold?

    Gold is a chemical element with atomic number 79 and symbol "Au". It is a dense, soft, yellow metal that has been highly valued throughout history for its beauty and rarity. Gold has applications in jewelry, currency, and as a conductor in electronics.

    • Gl
    • Or
    • Au
    • Go
  • What symbol represents mercury?

    Mercury is a chemical element with atomic number 80 and symbol "Hg". It is a heavy, silvery metal that is the only metal that is liquid at standard conditions for temperature and pressure. Mercury has applications in thermometers, barometers, and as a catalyst in certain chemical reactions.

    • Qn
    • Me
    • Hg
    • Mc
  • What symbol represents thallium?

    Thallium is a chemical element with atomic number 81 and symbol "Tl". It is a soft, bluish-gray metal that is highly toxic. Thallium has applications in electronics, infrared detectors, and as a reagent in chemical reactions.

    • Tl
    • Th
    • Ta
    • Ti
  • What symbol represents lead?

    Lead is a chemical element with atomic number 82 and symbol "Pb". It is a dense, bluish-gray metal that has been used for various purposes throughout history. Lead has applications in batteries, ammunition, and as a radiation shield.

    • Le
    • Ld
    • Pb
    • Pl
  • What symbol represents bismuth?

    Bismuth is a chemical element with atomic number 83 and symbol "Bi". It is a brittle, pinkish-white metal that is a poor conductor of electricity. Bismuth has applications in cosmetics, pharmaceuticals, and as an alloying agent in low-melting-point alloys.

    • Bh
    • Bs
    • Bi
    • Bm
  • What symbol represents polonium?

    Polonium is a chemical element with atomic number 84 and symbol "Po". It is a highly radioactive, silver-gray metal that is extremely toxic. Polonium has applications in static eliminators, nuclear batteries, and as a heat source in thermoelectric power generators.

    • P
    • Pn
    • Po
    • Pl
  • What symbol represents astatine?

    Astatine is a chemical element with atomic number 85 and symbol "At". It is a highly radioactive element that is rarely found naturally on Earth. Astatine has applications in scientific research, but due to its scarcity and radioactivity, it has limited practical uses.

    • Ae
    • As
    • At
    • Aa
  • What symbol represents radon?

    Radon is a chemical element with atomic number 86 and symbol "Rn". It is a radioactive gas that is colorless, odorless, and tasteless. Radon is formed as a decay product of radium and is considered a health hazard due to its radioactivity.

    • Rd
    • Ro
    • Rn
    • Ra
  • What symbol represents francium?

    Francium is a chemical element with atomic number 87 and symbol "Fr". It is a highly radioactive metal that is extremely rare and difficult to study. Francium has no stable isotopes and is the second rarest naturally occurring element in the Earth's crust.

    • F
    • Fi
    • Fm
    • Fr
  • What symbol represents radium?

    Radium is a chemical element with atomic number 88 and symbol "Ra". It is a highly radioactive metal that emits a glow due to its own radiation. Radium was once used in self-luminous paints for watches and instruments, but its use has been restricted due to its health hazards.

    • Rd
    • Ra
    • Rm
    • Rh
  • What symbol represents actinium?

    Actinium is a chemical element with atomic number 89 and symbol "Ac". It is a silvery-white, radioactive metal that glows in the dark due to its own radiation. Actinium has few practical applications but is used in scientific research and some medical treatments.

    • Am
    • Ac
    • At
    • Ai
  • What symbol represents thorium?

    Thorium is a chemical element with atomic number 90 and symbol "Th". It is a soft, silvery metal that is slightly radioactive. Thorium has applications in nuclear energy technology, as a catalyst in chemical reactions, and as an alloying element in the production of magnesium.

    • Tm
    • Ti
    • To
    • Th
  • What symbol represents protactinium?

    Protactinium is a chemical element with atomic number 91 and symbol "Pa". It is a dense, silvery-gray metal that readily reacts with oxygen, water, and other elements. Protactinium has no significant commercial applications but is used in scientific research and nuclear technology.

    • Pr
    • Pc
    • Pa
    • Pt
  • What symbol represents uranium?

    Uranium is a chemical element with atomic number 92 and symbol "U". It is a dense, silvery-gray metal that is weakly radioactive. Uranium is primarily used as a fuel in nuclear power plants and has applications in nuclear weapons, scientific research, and various industrial uses.

    • Ur
    • Un
    • U
    • Ul
  • What symbol represents neptunium?

    Neptunium is a chemical element with atomic number 93 and symbol "Np". It is a silvery radioactive metal that tarnishes in air. Neptunium has few practical applications but is used in scientific research and in the production of other transuranic elements.

    • Nt
    • Ne
    • No
    • Np
  • What symbol represents plutonium?

    Plutonium is a chemical element with atomic number 94 and symbol "Pu". It is a dense, silvery metal that can accumulate in nuclear reactor fuel and is used in the production of nuclear weapons. Plutonium has no natural abundance and is primarily produced in nuclear reactors.

    • Pl
    • Po
    • Pt
    • Pu
  • What symbol represents americium?

    Americium is a chemical element with atomic number 95 and symbol "Am". It is a radioactive metal that is silvery-white in its pure form. Americium has various applications, including in smoke detectors, nuclear batteries, and scientific research.

    • Us
    • Ac
    • Ar
    • Am
  • What symbol represents curium?

    Curium is a chemical element with atomic number 96 and symbol "Cm". It is a radioactive metal that is silvery-white in its pure form. Curium is mainly used for scientific research purposes and has no significant commercial applications.

    • Cm
    • Cr
    • Cu
    • Cs
  • What symbol represents berkelium?

    Berkelium is a chemical element with atomic number 97 and symbol "Bk". It is a radioactive metal that is silvery-white in its pure form. Berkelium has few practical applications and is primarily used for scientific research purposes.

    • Br
    • Be
    • Bk
    • Ba
  • What symbol represents californium?

    Californium is a chemical element with atomic number 98 and symbol "Cf". It is a radioactive metal that is silvery-white in its pure form. Californium has various applications in scientific research, including as a neutron source for nuclear reactors and as a portable neutron source for medical and industrial uses.

    • Ca
    • Co
    • Cl
    • Cf
  • What symbol represents einsteinium?

    Einsteinium is a chemical element with atomic number 99 and symbol "Es". It is a radioactive metal that is silvery-white in its pure form. Einsteinium is primarily used for scientific research purposes and has no significant commercial applications.

    • Ei
    • En
    • Eu
    • Es
  • What symbol represents fermium?

    Fermium is a chemical element with atomic number 100 and symbol "Fm". It is a radioactive metal that is silvery-white in its pure form. Fermium has few practical applications and is primarily used for scientific research purposes.

    • Fe
    • Am
    • Fu
    • Fm

Periodic Table Quiz (part 4) Periodic Table Quiz
Part 1Part 2 / Part 3 / Part 4 / Part 5

What is the atomic number in the periodic table?

The atomic number is a fundamental concept in the periodic table, representing a unique identifier for each chemical element. It is defined as the number of protons found in the nucleus of an atom of that element. In a neutral atom, the atomic number also corresponds to the number of electrons orbiting the nucleus.

Here are some key details about the atomic number:

 - Unique Identification: Each element in the periodic table has a distinct atomic number that distinguishes it from all other elements. No two elements have the same atomic number. For example, hydrogen has an atomic number of 1, helium has an atomic number of 2, and so on.

- Increasing Order: The elements in the periodic table are arranged in order of increasing atomic number. This arrangement results in a progressive change in the properties of elements as one moves across a period (row) or down a group (column) in the periodic table.

- Periodic Table Structure: The periodic table is organized in a way that reflects the increasing atomic number of the elements. Typically, the atomic numbers are listed alongside or below the element's symbol in the periodic table.

- Number of Protons and Electrons: The atomic number signifies the number of protons present in the nucleus of an atom. Since atoms are electrically neutral, the number of protons is equal to the number of electrons in a neutral atom.

- Role in Element Classification: The atomic number plays a crucial role in determining the chemical and physical properties of an element. Elements with the same atomic number belong to the same chemical element, regardless of their isotopic variations or different numbers of neutrons.

- Periodic Trends: The atomic number is central to observing and understanding various periodic trends exhibited by elements in the periodic table. These trends include atomic radius, ionization energy, electron affinity, electronegativity, and metallic character. Changes in the atomic number directly impact these trends, revealing patterns and relationships among elements.

- Predicting Element Properties: The atomic number allows scientists to predict the properties and behavior of elements that have not yet been discovered or synthesized. By analyzing the trends and patterns in elements with known atomic numbers, scientists can anticipate the properties of new elements that fit into the periodic table's gaps.

Understanding the atomic number is crucial for comprehending the structure and organization of the periodic table and for exploring the properties, behaviors, and relationships of chemical elements. It serves as a fundamental tool for classifying elements and provides a basis for predicting and explaining their characteristics.