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Which of these elements has a smaller atomic number Nitrogen Aluminum Potassium?
Nitrogen has the smallest atomic number among the elements listed. Aluminum has an atomic number of 13, Potassium has an atomic number of 19, and Nitrogen has an atomic number of 7.
What family of elements has the lowest atomic radius?
The noble gases have the lowest atomic radius among all the elements. This is because they have a full outer electron shell, leading to minimal atomic size.
What trends in size are found among elements in the same period?
The atomic radius decrease from left to right.
How did Mendeleev arrange the know elements?
Mendeleev arranged the known elements in his periodic table primarily by increasing atomic mass, which allowed him to highlight periodic trends in their properties. He also grouped elements with similar chemical behaviors into columns, creating a structure that revealed relationships among them. Notably, he left gaps for undiscovered elements, predicting their properties based on the trends he observed, which later validated the utility of his arrangement. This innovative approach laid the groundwork for the modern periodic table based on atomic number.
Which element has the greatest atomic mass Li Cl C?
Among these three elements, Cl has the greatest mass, as can be seen from any periodic table or other reference work that shows atomic masses.
Which of these elements has a smaller atomic number Nitrogen Aluminum Potassium?
Nitrogen has the smallest atomic number among the elements listed. Aluminum has an atomic number of 13, Potassium has an atomic number of 19, and Nitrogen has an atomic number of 7.
What family of elements has the lowest atomic radius?
The noble gases have the lowest atomic radius among all the elements. This is because they have a full outer electron shell, leading to minimal atomic size.
Which atom has the largest atomic raidius?
Francium has the largest atomic radius among all elements.
Does sodium have the smallest atomic size?
no, hydrogen has the smallest size among all elements
Which group of the main group elements contains the largest elements?
Group 18 (Noble Gases) contains the largest main group elements because they have the highest atomic numbers and largest atomic radii among the main group elements.
What trends in size are found among elements in the same period?
The atomic radius decrease from left to right.
How does fluorines atomic radius compare to oxygen radius and chlorines radius?
Fluorine has the smallest atomic radius among fluorine, oxygen, and chlorine. Oxygen has a larger atomic radius than fluorine but smaller than chlorine. Chlorine has the largest atomic radius among the three elements.
What is the atomic radius of helium and how does it compare to other elements in the periodic table?
The atomic radius of helium is about 31 picometers. Helium has one of the smallest atomic radii among all the elements in the periodic table due to its small size and high nuclear charge.
Who of these has the smallest radius Lithium Oxygen Potassium or Sulfur?
Lithium has the smallest atomic radius among the elements listed.
Which is the lightest substance among these four 1oxygen 2nitrogen 3hydrogen 3carbon?
Hydrogen is the lightest substance among these four elements. It has the lowest atomic number and atomic weight, making it the lightest element on the periodic table.
Is a variable a characteristic of interest for the elements?
Yes, a variable is a characteristic of interest that can vary among the elements in a dataset. It is something that is being measured or observed and can take on different values.
Which element has the lowest atomic number transuranium?
The element with the lowest atomic number among the transuranium elements is neptunium, with an atomic number of 93. It is the first transuranium element produced synthetically in a laboratory setting.
