Questions and Answers
What element has 26 protons?
Iron
Which element behaves like an alkali metal despite not being one, due to having only one electron?
Hydrogen
What metal has 28 electrons?
Nickel
Which metal is a member of the boron family and is the most abundant metal in the Earth's crust?
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What gas has 8 protons and 8 neutrons?
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Which element is often mistaken for the end of a pencil and belongs to the carbon family?
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What metal is liquid at room temperature?
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What element has an atomic number of 47 and is used to make photographic film?
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Which element has 20 neutrons and is found in teeth and bones?
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Which element is a member of the nitrogen family with 16 neutrons?
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What gas has a mass number of 19?
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Which is the first element in the fourth period used in making fertilizers?
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Which element can be found in the carbon family in the fifth period?
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What element has an atomic mass of 35.453?
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Which element has 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell?
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What is known as the 'basis of life' and is the head of the carbon family?
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Which element has an atomic number of 79?
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What is a transitional metal with 25 electrons?
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Which element is made up of 78% air and is found in the 15th group?
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What is the silvery white metal used to make salt?
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Which alkaline earth metal is used to make fireworks and medicines?
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What noble gas has 2 electrons?
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Which element is the second most abundant in the Earth's crust and has 14 neutrons?
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What is a member of the halide family with an atomic number of 53?
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What transitional metal with 30 electrons is useful in making paint?
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Which is the only element in the halide family that is a liquid?
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Study Notes
Iron
- Has 26 protons, making it an essential element for various biological and industrial processes.
Hydrogen
- Exhibits behavior similar to alkali metals despite not being one; has one electron.
Nickel
- Characterized as a metal with 28 electrons; widely used in alloys and batteries.
Aluminum
- A member of the boron family; the most abundant metal in the Earth's crust, known for its lightweight and corrosion resistance.
Oxygen
- A gas with 8 protons and 8 neutrons; essential for respiration and various combustion processes.
Lead
- Often confused with graphite (pencil material); a member of the carbon family.
Mercury
- Unique as a metal that remains liquid at room temperature; used in thermometers and barometers.
Silver
- Atomic number of 47; traditionally used in photography, jewelry, and electronics for its electrical conductivity.
Calcium
- Contains 20 neutrons; plays a critical role in biological systems, particularly in bones and teeth.
Phosphorus
- A member of the nitrogen family with 16 neutrons; vital for the synthesis of DNA and RNA.
Fluorine
- A gas with a mass number of 19; the most reactive and electronegative element, used in toothpaste and Teflon.
Potassium
- The first element in the fourth period; commonly used in fertilizers due to its role in plant nutrition.
Tin
- Found in the carbon family in the fifth period; used in alloys and to coat other metals to prevent corrosion.
Chlorine
- Has an atomic mass of 35.453; used as a disinfectant and in the production of various chemicals.
Sulfur
- Electron configuration includes 2 electrons in the first shell, 8 in the second, and 6 in the third; known for its role in amino acids and proteins.
Carbon
- The primary element of the carbon family; referred to as the "basis of life," fundamental to organic chemistry.
Gold
- Atomic number 79; highly valued for its rarity, luster, and historical significance in currency and jewelry.
Manganese
- A transitional metal with 25 electrons; plays a role in steel production and battery manufacturing.
Nitrogen
- Constitutes 78% of the Earth's atmosphere; a member of the 15th group, crucial for the synthesis of amino acids and nucleic acids.
Sodium
- Silvery-white metal predominantly used to make common salt (sodium chloride); essential for cellular functions.
Magnesium
- Alkaline earth metal used in fireworks and medicine; important for numerous biochemical pathways.
Helium
- A noble gas with 2 electrons; known for its low density and inertness, commonly used in balloons and cryogenics.
Silicon
- Second most abundant element in the Earth’s crust, characterized by 14 neutrons; crucial for electronic devices and solar cells.
Iodine
- Member of the halide family with an atomic number of 53; essential nutrient for thyroid function.
Zinc
- A transitional metal with 30 electrons; important for immune function and widely used in paint and galvanization.
Bromine
- The only liquid element in the halide family; used in flame retardants and disinfectants.
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Description
This quiz covers essential elements in chemistry, including iron, hydrogen, and oxygen. Test your knowledge on their atomic structures, behaviors, and applications in various industries. Perfect for students looking to reinforce their understanding of elemental chemistry.
