An atom has 6 electrons in its outer shell. how many unpaired electrons does it have? 0 2 4 6 2 or 4

Which planets have a larger orbital radii, terrestrial planets or gas giants

What is the formula mass of ferric sulphate, Fe2 (SO4) 3?

Which trait would most likely lead a scientist to repeat an experiment and verify the data? creativity openness diversity skepticism

As distance between two objects increases, gravitational force: decreases right? increases decreases remains the same

What 2 groups of rocks are formed from all 3 kinds of rocks?

What is common of volcanoes that have the most violent eruptions? A. They feature magma with very high silica content. B. They are shield volcanoes. C. They feature magma with low viscosity. D. They have no magma, but have much lava.

Why is nitrogen fixation such an important step in the nitrogen cycle? Question 7 options: Bacteria convert the fixed nitrogen back into N2. Soil nitrogen is different. Decomposers need to use NH4+. Plants can't use nitrogen in the form of N2.

At 400 K, the rate of decomposition of a gaseous compound initially at a pressure of 12.6 kPa, was 9.71 Pa s-1 when 10.0 per cent had reacted and 7.67 Pa s-1 when 20.0 percent had reacted. Determine the order of the reaction.

What particles are used to form bonds

Explain how antimony is useful for humans. What is it used for?