Which of the following elements possesses the fewest valence electrons? bismuth boron barium bromine

What has neutral change

The testable question in a science investigation reads: "How does the size of a motor affect the speed of the vehicle?" What is the independent variable in the question?

At STP, how many moles of gas are in a 22.4 Liter volume?

Elements on the periodic table are usually identified with?

The table below shows the electronegativity values of various elements on the periodic table. Which pair of atoms would form a covalent bond?

24g copper is submerged in water in a graduated cylinder, and the total volume increases by 2.7 mL. who's is the density of copper?

Does gadolinium have an odor?

What kind of intermolecular forces act between a hydrogen iodide molecule and a dichloroethylene

Match each element to the number of electrons in its valence shell. Match Term Definition Beryllium (Be) A) Three Carbon (C) B) One Lithium (Li) C) Two Boron (B) D) Four

What did Ernest Rutherford's gold foil experiment demonstrate about atoms? A. Their positive charge is located in a small region that is called the nucleus. B. Their negative charge is located in small particles that are called electrons. C.