The density across a period increases as the change in mass is not as significant as the change in volume. Hence, the correct answer is A.

Generally, the atomic radius decreases across a period from left to right and increases down a given group. Was this answer helpful? upvote 1.

29 мая 2016 г. · Across a period: The atomic size of elements decreases across a period as the nuclear charge increases and the attraction between protons ... How density varies in the periodic table? - Quora When we move from up to down in the periodic table ... - Quora Does density increase or decrease down a group in the ... - Quora What causes the density to increase down the periodic table? Другие результаты с сайта www.quora.com

The densities increase as you move down a group for the obvious reason: the atomic masses increase (and the average atomic radii don't increase rapidly such ...

In a period from left to right density first increases upto the middle and then starts decreasing. B. A less closely packed solid has higher density.

In a period, density first increases from left to right up to the middle element and then starts to decrease.

15 мая 2013 г. · Density: the density of an element tends to increase across a period up to group 3, and then starts to decrease and become very low at group 5 ...

Density also displays a periodic trend – atomic density increases from top ... across a period. Bulk density depends on 3 properties: Mass of the atoms ...

16 мар. 2023 г. · The general trend in densities for periods 2 and 3 in the periodic table is that the atomic radius decreases across a period but increases down a group.

The decrease in metallic radius coupled with increase in atomic mass results in a general increase in the density of these elements across a period.