As a chlorine atom becomes a negative ion, the atom

(1) gains an electron and its radius increases

(2) gains an electron and its radius decreases

(3) loses an electron and its radius increases

(4) loses an electron and its radius decreases

Improving performance and striving for a better is example What is the answerer of this question

Which arrow best dedcribes the process that arrow one represents

Which statement correctly explains the molecular structure of water? A) One oxygen and two hydrogen atoms are joined by a covalent bond. B) One hydrogen and two oxygen atoms are joined by a covalent bond.

The number of hydrogen atoms in 0.050 mol of c3h8o3 is

The pressure gauge on a compressed air tank reads 43.2 pounds per square inch (lb/in?). What is the pressure in atmospheres (atm) ?

Luis set a glass of ice water out side is the sunshine. when he looked at the glass 10 minutes later, the contents had changed. what kind of change happened to the ice water? A. evaperation B. conduction C. chemical change d. sudden change

A substance is considered to have a smaller surface area when ... A. it is a fine powder B. it is in large chunks C. you have a small amount of the substance D. you have a large amount of E. the substance

Which is the noble gas notation for chlorine? A-[Ne] 4s2 4p5 B-[Ne] 3s2 3p5 C-[Ne] 3s2 3p3 D-[Ne] 3p2 3p5

Is argon long hand or noble gas

Lithium, beryllium, and boron are elements with atomic number 3, 4, and 5, respectively. Even though they are three of the five simplest elements, why are they rare compared to many heavier elements?