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As I understand it scientists took an educated guess at the Hydrogen Atom and all the rest were extrapolated from there.

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Where is the largest atoms are found where on the periodic table?

The largest atoms are typically found in the bottom left corner of the periodic table, in the category of alkali and alkaline earth metals. These atoms have more electron shells and therefore larger atomic radii compared to atoms in other areas of the periodic table.


Are the heaviest atoms found at the bottom of the periodic table?

Yes, the heaviest atoms, which have the most protons and electrons, are found towards the bottom of the periodic table in the actinide and transactinide series. These elements have high atomic numbers and are generally unstable and radioactive.


In the periodic table atoms are arranged from left to right and from top to bottom in what order?

Atoms in the periodic table are arranged in order of increasing atomic number, which is the number of protons in an atom's nucleus. This arrangement also reflects the periodic law, where elements with similar chemical properties are grouped together in columns, known as groups or families. As you move from left to right across a period, the elements transition from metals to nonmetals, while moving down a group shows elements with similar behavior but increasing atomic size and reactivity.


What feature of atoms determines the order of the periodic table?

The number of protons in the nucleus of an atom, which is the atomic number, determines the order of the periodic table. Atoms are arranged in increasing atomic number from left to right and top to bottom in the periodic table.


What happens to the reactivity of a nonmetal when you move from left to right in a group?

The reactivity of a non metal decreases as you move down a group. This is because the size of the atomic radius increases and when the distance to the nucleus increases, the force of attraction decreases. Electrons are not pulled as strongly to larger atoms, and so larger atoms are not as reactive.

Related Questions

What are periods for periodic tables?

a Periodic Table organises the different elements, according to the atoms' mass, type, properties, reactivity etc. See the question about: periodic table patterns


Where is the largest atoms are found where on the periodic table?

The largest atoms are typically found in the bottom left corner of the periodic table, in the category of alkali and alkaline earth metals. These atoms have more electron shells and therefore larger atomic radii compared to atoms in other areas of the periodic table.


How does reactivity change as you move across the periodic table?

Reactivity generally decreases as you move from left to right across the periodic table within a period. Atoms on the left have fewer valence electrons and are more reactive in forming bonds compared to atoms on the right, which have more valence electrons and are less inclined to form bonds. However, reactivity tends to increase as you move down a group within the periodic table.


What do you use the periodic table for?

we use the periodic table because it helps us with the atoms and electrons it tells us the mass number atomic number and the symbol


What is the relationship between the atomic radius and chemical reactivity of elements in the periodic table?

The atomic radius of an element is inversely related to its chemical reactivity. Smaller atomic radius generally leads to higher reactivity, as smaller atoms have a stronger attraction to other atoms and are more likely to form bonds. Conversely, larger atomic radius tends to result in lower reactivity, as larger atoms have weaker attraction and are less likely to form bonds.


Are the heaviest atoms found at the bottom of the periodic table?

Yes, the heaviest atoms, which have the most protons and electrons, are found towards the bottom of the periodic table in the actinide and transactinide series. These elements have high atomic numbers and are generally unstable and radioactive.


How does the chlorination of 2-methylbutane affect its chemical properties and reactivity?

The chlorination of 2-methylbutane can increase its reactivity and change its chemical properties by replacing hydrogen atoms with chlorine atoms. This can lead to the formation of new compounds with different properties and potential for reactions.


In the periodic table atoms are arranged from left to right and from top to bottom in what order?

Atoms in the periodic table are arranged in order of increasing atomic number, which is the number of protons in an atom's nucleus. This arrangement also reflects the periodic law, where elements with similar chemical properties are grouped together in columns, known as groups or families. As you move from left to right across a period, the elements transition from metals to nonmetals, while moving down a group shows elements with similar behavior but increasing atomic size and reactivity.


What feature of atoms determines the order of the periodic table?

The number of protons in the nucleus of an atom, which is the atomic number, determines the order of the periodic table. Atoms are arranged in increasing atomic number from left to right and top to bottom in the periodic table.


What happens to the reactivity of a nonmetal when you move from left to right in a group?

The reactivity of a non metal decreases as you move down a group. This is because the size of the atomic radius increases and when the distance to the nucleus increases, the force of attraction decreases. Electrons are not pulled as strongly to larger atoms, and so larger atoms are not as reactive.


What is periodic chemistry?

A periodic chemistry is a periodic table. A periodic table is a tab,e with atoms and elements. Whatever we eat or use have atoms or elements.


What periodic chemistry?

A periodic chemistry is a Periodic Table. A periodic table is a tab,e with atoms and elements. Whatever we eat or use have atoms or elements.