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How is it possible that the elements get smaller as you move left to right across a period on thetable?
Each element from left to right gains a proton, which increases the pull of the nucleus on it's electrons. Each element also gains an electron, but the electrons are added to the same or a lower energy level..only when you go down a group do the number of energy levels increase. This pull of the nucleus causes the atomic radius to decrease because the electrons are pulled in tighter by the stronger nucleus. As you go down, atoms get bigger because of added energy levels. Energy levels on the outside are shielded from the nucleus by electrons on inner levels, so they range further away from the nucleus.
What else can I help you with?
What elements has a smaller atomic radius than strontium?
Elements with a smaller atomic radius than strontium include beryllium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, and argon. Generally, atomic radius decreases across a period from left to right due to increased nuclear charge, which pulls electrons closer to the nucleus. Additionally, atomic radius increases down a group, so elements above strontium in the same group have smaller radii.
Do the elements to the right of the periodic table have small or large radii?
Elements to the right of the periodic table have smaller radii due to increased effective nuclear charge, which attracts the electrons closer to the nucleus. This results in a greater pull on the outer electrons and smaller atomic radii overall.
What happens to the properties of elements across any periodic of the table?
Across any period, the properties of elements gradually change. This gradual change is called a periodic trend.
How does the numbers of electrons change across a period of elements?
The number of valence electrons for the elements increases across a period, from 1 (group 1) to 8 (group 18).
Why is Mg smaller than Cl?
Magnesium isn't smaller than chlorine, it's larger. The atomic radius for magnesium is 145 pm and the atomic radius for chlorine is 79 pm. Both magnesium and chlorine are in the third period of the periodic table. The trend for atomic radius is that the elements generally get smaller as you move from left to right across the table in the same period.
What Is smaller zirconium or titanium?
Ti. Going left to right across a period on the periodic table, the elements get smaller. Also, going top to bottom in a group, the elements get smaller. Ti is above Zr in the periodic table.
What elements has a smaller atomic radius than strontium?
Elements with a smaller atomic radius than strontium include beryllium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, and argon. Generally, atomic radius decreases across a period from left to right due to increased nuclear charge, which pulls electrons closer to the nucleus. Additionally, atomic radius increases down a group, so elements above strontium in the same group have smaller radii.
Do the elements to the right of the periodic table have small or large radii?
Elements to the right of the periodic table have smaller radii due to increased effective nuclear charge, which attracts the electrons closer to the nucleus. This results in a greater pull on the outer electrons and smaller atomic radii overall.
What is purpose of standards?
A standardized accounting system has predictable elements and structure. A standard system produces financial statements that make it easy (at least possible) to compare results for businesses within the same industry. And, since the structural elements are the same across the board, once you understand the financial elements of the system, it is possible to understand any financial statements for any industry.
Elements across a series have same number of?
Elements across a series have the same number of attributes or characteristics.
Why do atoms get smaller across a period?
Atoms get smaller across a period because the increasing number of protons in the nucleus pulls the electrons closer to the nucleus, resulting in a stronger attraction and a smaller atomic size.
What is the trend in period 2 ionization energy across the elements?
The trend in period 2 ionization energy across the elements increases from left to right.
Properties of elements change according to a pattern across the?
Groups of the Periodic Table of Elements.
How does metallic of the elements vary across a period?
Across a period, the metallic character decreases.
How does the electronegativity of elements change across a period?
The electronegativity of elements generally increases across a period from left to right. This means that elements on the right side of the periodic table tend to attract electrons more strongly than elements on the left side.
How does electronegative vary across a periodic?
The electro-negativity of elements increases as you move across a period.
What are filling across the transition elements?
the d subshells
