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Which things determine an element's electronegativity?
An element's electronegativity is primarily determined by its atomic structure, specifically the number of protons in its nucleus and its distance from the outermost electron shell. Electronegativity tends to increase across periods and decrease down groups on the periodic table. Additionally, factors such as nuclear charge, shielding effect, and electron configuration can also influence an element's electronegativity.
How can you determine the number of protons in an atom changes?
For the alpha decay the number of protons decrease with 4; for the beta minus decay the number of protons ih higher with 1.
Which changes in beta decay mass number or the charge of the nucleus?
Beta decay results in either an increase or decrease in the number of protons, which results in a change in the nuclear charge and produces an atom of a different element.
Moving across a period on the periodic table from left to right?
Moving across a period from left to right, the atomic number of the elements increases. This results in an increase in the number of protons and electrons, leading to a greater nuclear charge. As a result, the size of the atoms decreases while the electronegativity and ionization energy increase.
Atomic number increases from Be to Ba why?
The increase in atomic number from Be (beryllium) to Ba (barium) is due to the addition of more protons in the nucleus of the atom. Each element has a unique number of protons, and as the atomic number increases, more protons are added, leading to the formation of elements with higher atomic numbers in the periodic table.
What accompanies an increase in atomic number within a specific period?
An increase in atomic number within a specific period corresponds to an increase in the number of protons in the nucleus of the atom. This leads to a higher positive charge, causing the outer electrons to be more strongly attracted to the nucleus. As a result, the atomic size tends to decrease across a period as atomic number increases.
Why does the electronegativity increase as the atomic number increases?
The number of electrons increases with the atomic number. So the electronegativity increases with the atomic number. Not quite. Electronegativity doesn't consistently increase with atomic number. For example, F is more electronegative than Na, even though Na has a higher atomic number.
Why does electronegativity increase or decrease across a period?
Electronegativity is affected by: atomic number of the element, distance between the nucleus of an atom and the valence electrons or sometimes by the so-called "d-block contraction".
Which things determine an element's electronegativity?
An element's electronegativity is primarily determined by its atomic structure, specifically the number of protons in its nucleus and its distance from the outermost electron shell. Electronegativity tends to increase across periods and decrease down groups on the periodic table. Additionally, factors such as nuclear charge, shielding effect, and electron configuration can also influence an element's electronegativity.
Why does electronegativity increase as you move across a period in the periodic table?
Electronegativity increases as you move across a period in the periodic table because the number of protons in the nucleus increases, leading to a stronger attraction for electrons in the outer shell.
What increases as you move up a column of the periodic table?
As you move up a column of the periodic table, the number of electron shells increases. This leads to a greater distance between the nucleus and the outermost electrons, resulting in larger atomic size. Additionally, the number of protons and electrons also increases, leading to a higher atomic number and different chemical properties.
What happens to to the speed of a motor if i increase or decrease the number of bulbs in a circit?
If you increase the number of bulbs in a circuit, the resistance in the circuit will increase, causing the motor's speed to decrease. If you decrease the number of bulbs, the resistance in the circuit will decrease, causing the motor's speed to increase.
What happens to electrons when you move from left to right across a period?
As you move from left to right across a period, the number of protons increases, leading to a stronger positive charge in the nucleus. This attracts the electrons more strongly, resulting in a greater effective nuclear charge experienced by the electrons. This increased attraction causes electrons to be pulled closer to the nucleus, leading to a decrease in atomic size.
How can you determine the number of protons in an atom changes?
For the alpha decay the number of protons decrease with 4; for the beta minus decay the number of protons ih higher with 1.
When protons increase what happen to shells electrons?
In order to maintain, electrical neutrality, the number of electrons will also increase as the number of protons increases.
When you move across the periodic table from left to right what happens to the number of protons contained by each element?
the numbers increase (going right) and decrease (going left)
What is Graph the relationship between cost and number?
They are inverly related ,number increase cost decrease as wellas cost increase may qulity & number decrease
