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This is because as the elements go down the group, the number of electron shells increases, and by using the density formula, mass/volume, you 'll realise that by increasing the number of electron shells, you are increasing the number of electrons, protons and neutrons as well, which obviously have masses, and thus it will increase the density as it will definitely surpass the increase in volume. (:
What else can I help you with?
What is the density of the element chlorine?
The density of chlorine is 0.00321g/cm3. The density of the halogens or group 17 elements increases down the group, which is why bromine is liquid and astatine is a solid at room temperature.
What happens to the size of the atoms as you move down the periodic table in group 7?
Down the group, size increases. Because number of shells increases.
What happens to the reactivity as you move down group 1 in the periodic table?
Reactivity in group 1 of elements increases as we go down the group (to francium) because in the alkali metals as we go down the group number of atomic shells increases so the elements with most shells will easily release their electrons in the outer most shell.
Does shielding increase as you move down a group in the periodic table?
Yes, shielding increases as you move down a group in the periodic table.
As you move down a group or family on the periodic table which of the following isnt true?
As you move down a group or family on the periodic table: The number of energy levels increases (true). The atomic radius increases (true). The number of valence electrons remains the same (not true - the number of valence electrons increases as you move down a group).
Why alkali metal density increase going down the group?
The alkali metal density increases going down the group because the atoms have more electron shells as you go down the group, resulting in a larger atomic size. The increased number of electron shells leads to weaker attractive forces between the nucleus and the outermost electron, causing the atoms to be less compact and have lower densities.
How does density change by going down the periodic table?
As you go down the periodic table, the density generally increases. This is because the atomic mass and atomic size of elements increase as you move down a group, resulting in a greater mass packed into a larger volume. Exceptions can occur due to fluctuations in atomic structure or intermolecular forces.
What is the heaviest elemet of the noble gases?
Down the group the density generally increases. Thus radon will be the heaviest element.
Why does the density of group 2 metals increase?
The density of group 2 metals increases as you go up the group. This is because atomic radius decreases as you go up the group. Density is mass / volume and the ratio of mass to volume of atoms of the elements goes up with the decrease in radius.
Which is true moving down a column or group in the periodic table?
Atomic radius increases down a group. Metallic character also increases down the group.
What is the density of the element chlorine?
The density of chlorine is 0.00321g/cm3. The density of the halogens or group 17 elements increases down the group, which is why bromine is liquid and astatine is a solid at room temperature.
What is the trend in density as you go down the group of halogens?
The density increase down.
Electro chemical series down the group increases or decreases?
It increases
How a liquid changes to become a solid?
As temperature goes up density goes down. As volume goes up density goes down. As mass goes up (or increases) density also increases, or in other words, it freezes.
What is the trend in ionic character of the group 2 compounds going down the group?
The ionic character increases for group 2 compounds as we go down the group. The metallic character also increases.
What are the trends in solubility of group one sulphates and two sulphates?
The solubility of Group 1 sulphates generally increases down the group, as the ionic size increases, leading to weaker ionic bonding. In contrast, the solubility of Group 2 sulphates decreases as you move down the group due to the increased lattice energy resulting from higher charge density and stronger ionic bonding.
What group is the p block in?
Atomic radius increases down the group
