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Reactivity generally increases across a period due to increasing nuclear charge which attracts electrons more strongly, leading to more energetic interactions with other substances. Additionally, smaller atomic size and higher electronegativity across a period can contribute to increased reactivity by promoting easier access to electrons during chemical reactions.
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How does chemical reactivity change as you move across the periodic table?
Chemical reactivity first decreases.then it increases as we move across a period.
What happens to the reactivity of left to right across the periodic table?
Across a period, as we move from left to right, the electronegativity increases in the periodic table.
What causes metals to be less reactive across a period?
Metals become less reactive across a period due to an increase in ionization energy and a decrease in atomic radius. These factors make it more difficult for metals to lose electrons and form cations, resulting in decreased reactivity.
What is the reactivity of a metal as you move left to right in a period?
The reactivity of a metal decreases as you move from left to right across a period on the periodic table. This is because metals tend to lose electrons to form cations, and as you move to the right, the metals have a greater tendency to hold on to their electrons due to increasing nuclear charge and decreasing atomic size.
From left to right across the second period of the periodic table?
The second period of the periodic table contains elements from lithium to neon, in increasing atomic number order. These elements have increasing numbers of protons and electrons as you move from left to right across the period, resulting in changes in properties such as atomic size and reactivity.
How does chemical reactivity change as you move across the periodic table?
Chemical reactivity first decreases.then it increases as we move across a period.
Why reactivity decreases across a period?
Reactivity decreases across a period because the outermost electrons are held more tightly by the increasing nuclear charge, making it harder for atoms to lose or gain electrons to form compounds. This results in a decrease in chemical reactivity as you move from left to right across a period.
How does the reactivity of each group of metals change across the table from the right?
Reactivity of metals decreases from left to right in the specific period of theperiodic table.
What happens to the reactivity of elements in group a as atomic number increase across a period?
they do becaused they want to do it
How does the reactivity of each group of metals change across the table from right to left?
Reactivity of metals decreases from left to right in the specific period of theperiodic table.
How does the reactivity of each group of metal of change across the table from left to right?
Reactivity of metals decreases from left to right in the specific period of theperiodic table.
How does the reactivity of each group of metals change across the table left to right?
Reactivity of metals decreases from left to right in the specific period of theperiodic table.
What happens to the reactivity of left to right across the periodic table?
Across a period, as we move from left to right, the electronegativity increases in the periodic table.
As you move across a period elements have the same number of?
As you move across a period, elements have the same number of electron shells but different numbers of valence electrons. This leads to differences in reactivity and chemical properties across the period.
How do you tell the reactiveness of a non metal on the periodic table?
The periodicity of nonmetals is that reactivity increases from left to right across a period, through group 17, the halogens. As you move down a group, reactivity decreases. Fluorine is the most reactive element.
What happens to the reactivity of elements in a group labeled A as atomic numbers increase across period?
In a group labeled as A, as atomic numbers increase across a period, the reactivity of elements generally decreases. This is because as you move from left to right across a period, the elements have more protons in the nucleus, which leads to stronger nuclear charge and less tendency to lose electrons and react with other elements.
What causes metals to be less reactive across a period?
Metals become less reactive across a period due to an increase in ionization energy and a decrease in atomic radius. These factors make it more difficult for metals to lose electrons and form cations, resulting in decreased reactivity.
