Which general trend is found in period 3 as the elements are considered in order of increasing atomic number? (1) increasing atomic radius (2) increasing electronegativity
(3) decreasing atomic mass (4) decreasing first ionization energy

What’s the scientific notation for the number 6,840,000,000

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town