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Questions and Answers
What element has 26 protons?
Iron
Which element is not an alkali metal but behaves like one with 1 electron?
Hydrogen
What metal has 28 electrons?
Nickel
What member of the boron family is most abundant in the Earth's crust?
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What is the element with 8 protons and 8 neutrons?
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What is the carbon family element that is not used in pencil?
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What is the only metal that is liquid at room temperature?
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What element with atomic number 47 is used to make film?
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What element has 20 neutrons and is found in teeth and bones?
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Which nitrogen family element has 16 neutrons?
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What gas has a mass number of 19?
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What is the first element in the fourth period used in fertilizer?
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Which carbon family element is found in the fifth period?
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What element has an atomic mass of 35?
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What element corresponds to 2, 8, 6 electrons in its respective shells?
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What is considered the basis of life?
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What element has an atomic number of 79?
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Which transition element has 25 electrons?
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What makes up 78% of the air?
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What element is silvery and used to make salt?
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What element is used to make fireworks and medicines?
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What noble gas has 2 electrons?
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What element has 14 neutrons and is the second most abundant metal?
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What element from the halide family has an atomic number of 53?
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What transition metal has 30 electrons and is used for paint?
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What is the only halide that is a liquid?
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Study Notes
Elements Overview
- Iron has 26 protons, a key metal used in construction and manufacturing.
- Hydrogen acts like an alkali metal with one electron, despite not being one; it's the simplest and most abundant element in the universe.
- Nickel is a transition metal with an atomic number of 28, widely used in alloys and batteries.
Group Characteristics
- Aluminum, a member of the boron family, is the most abundant metal in the Earth's crust and known for its lightweight properties.
- Oxygen contains 8 protons and 8 neutrons; essential for respiration in living organisms.
- Lead, part of the carbon family, is not present in pencils despite being a common metal associated with them.
Unique Element Properties
- Mercury is the only metal that is liquid at room temperature, utilized in thermometers and barometers.
- Silver, atomic number 47, is often used in photography and jewelry for its high conductivity and reflectivity.
- Calcium consists of 20 neutrons and is vital for healthy bones and teeth.
Families and Characteristics
- Phosphorus belongs to the nitrogen family and has 16 neutrons; it's crucial for DNA and energy transfer in cells.
- Fluorine is a gaseous element with a mass number of 19, known for its high reactivity and use in dental products.
- Potassium is the first element in the fourth period and plays a critical role in plant fertilizers.
Additional Elements to Note
- Tin is a member of the carbon family from the fifth period, often used for coating metals to prevent corrosion.
- Chlorine has an atomic mass of 35 and is commonly used as a disinfectant and in the production of table salt.
- Sulfur's electron configuration typically includes 2, 8, and 6 electrons, and it is vital for many biological processes.
Foundations of Life
- Carbon is considered the basis of life due to its ability to form various organic compounds and its central role in biochemistry.
- Gold, with the atomic number 79, is a highly valued metal known for its use in jewelry and electronics.
- Manganese, a transition metal with 25 electrons, is important in steel production and various enzymes.
Air Composition
- Nitrogen constitutes 78% of the Earth's atmosphere, playing a significant role in ecosystems and agriculture.
- Sodium is silvery and commonly used to produce table salt, essential for human and animal nutrition.
Chemical Applications
- Magnesium is utilized in creating fireworks and medicines due to its chemical properties and lightweight.
- Helium is a noble gas with 2 electrons, used in balloons and for cooling superconducting magnets.
- Silicon, with 14 neutrons, is the second most abundant metal and vital for electronics and solar panels.
Halides and Transition Metals
- Iodine belongs to the halides family with an atomic number of 53, important for thyroid function.
- Zinc, a transition metal with 30 electrons, is commonly used in paints, batteries, and to prevent rusting.
- Bromine is the only halide that is a liquid at room temperature, utilized in various applications, including flame retardants.
Studying That Suits You
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Description
Test your knowledge of the periodic table with this engaging crossword puzzle quiz! Each clue provides hints about different elements, their properties, and positions in the table. Challenge yourself and see how well you know the building blocks of matter!
