Which of the following elements would you expect to have chemical properties similar to Fluorine (F)? A Argon (Ar), because they are both noble gasses.

B Beryllium, (Be) because they are in the same period.

C Chlorine (Cl), because they are found in the same group.

D Neon (Ne), because they have almost the same number of protons.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.

On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density