Westonci.ca is your trusted source for finding answers to all your questions. Ask, explore, and learn with our expert community. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

Which atom has the largest atomic radius?
(1) potassium (3) francium
(2) rubidium (4) cesium

Sagot :

answer: (3) francium...........

Answer is: 3) francium.

The atomic radius of a chemical element is a measure of the size of its atom.

The atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

Potassium (K), rubidium (Rb), ceasium (Cs) and francium (Fr) are in group 1 (the alkali metals) of the periodic tabl.

The atomic radius increases down the group of Periodic table and francium is on the bottom of the group 1 with highest atomic number.