Br – will have the largest atomic size
because Br- has one extra electron in its valence shell which due to its unbalanced negative charge will be repelled and hence the atomic radius
Which of the following is larger Br or Br −?
Br –
will have the largest atomic size because Br- has one extra electron in its valence shell which due to its unbalanced negative charge will be repelled and hence the atomic radius
What is the largest Br?
Thus, helium is the smallest element, and
francium
Why does Br have the largest radius?
The bromine atom has one more electron shell
How can you tell which atom is larger?
Atomic radii vary in a predictable way across the periodic table. As can be seen in the figures below, the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. Thus, helium is the smallest element, and
francium
is the largest.
Which is larger Br or Se2?
The
Br− ion is smaller than the Se2− ion
because the Br− ion has a larger nuclear charge
Which is larger RB or RB+?
We know that
Rb+ is smaller than Rb
because it loses an electron and has one less shell. Another reasoning is that since Rb+ has the same number of protons but less electrons, the electrons are held more tightly in Rb+.
Which is larger k or k+?
The cation of K+ is formed when K loses this outermost single electron to attain “electronic configuration” of: The K+ ion has its outermost electrons on the third energy level now and is size is smaller than that of K ion. Hence,
K is larger than K+
.
Which has largest radius?
Atomic radii vary in a predictable way across the periodic table. As can be seen in the figures below, the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. Thus, helium is the smallest element, and
francium
is the largest.
Why is O 2 bigger than O?
O2− is larger than O because
the increase in electron repulsions that accompany addition of an electron causes the electron cloud to expand
. O2− is larger than O because O is neutral but O2− has a charge 2−. … S2− is larger than O2− because for particles with like charges, size increases going down a family.
What has the highest atomic mass?
Oganesson
has the highest atomic number and highest atomic mass of all known elements. The radioactive oganesson atom is very unstable, and since 2005, only five (possibly six) atoms of the isotope oganesson-294 have been detected.
How do you rank atoms from smallest to largest?
In the periodic table, atomic radii
Is Se2 bigger than Rb+?
The answer is “
Rubidium Rb+
“.
Why are Se2 and Br about the same size?
Having the same number of electrons means that the two ions are about the same size. The given ions Se
2 –
and Br
–
are about the same size
because they have the same number of electrons
.
Which is smaller SE or Se2?
The Br− ion
is smaller than
the Se2− ion because the Br− ion has a larger nuclear charge and more extra electrons than the Se2− ion. … The Br− ion is smaller than the Se2− ion because the Br− ion has a smaller nuclear charge and fewer extra electrons than the Se2− ion. C.
