13. What physical property is characteristic of all of the elements in the group located in the rightmost column of the periodic table?
A.
very high melting point
B.
gas state at room temperature
C. good conductor of electric current
D. extremely brittle solid at room temperature

Drag each number to the correct location on the equation. each number can be used more than once, but not all numbers will be used. balance the equation with the coefficients. 2 3 4 5 kclo3 -> kcl + o2

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The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?