Which of the following group 7A elements is the most reactive?

A. chlorine

B. iodine

C. fluorine

D. bromine

Which substance is used to remove rust from metal

Calculate the density in g/mL of 2.0 L of gasoline that weighs 1.29 kg. How would I do this?

Which of the following is used for chemical symbols today

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g) Also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the

Pf3i2 is a nonpolar molecule. based on this information, determine the f-p-f bond angle, the i-p-i bond angle, and the f-p-i bond angle

Which element could chlorine bond with to form an ionic compound? helium oxygen fluorine sodium

A scientist conducted one trial experiment and got unexpected results. how can the scientist increase confidence in the results

A board measures 212 inches. How many feet is this?

Is neutralizing a base a chemical property

Polarity of a molecule depends on the polarity of individual bonds in that molecule. a. True b. False