Which of the following correctly identifies how a power plant changes the atmosphere? A. A plant powered by coal releases oxygen.

B. A plant powered by geothermal energy releases nitrogen oxides.

C. A plant powered by nuclear energy releases sulfur dioxide.

D. A plant powered by natural gas releases carbon dioxide.

Read the given expression. x = number of protons − number of core electrons which of the following explains the identity of x and its trends across a period? x is the effective nuclear charge, and it remains constant across a period. x is the screening constant, and it remains constant across a period. x is the effective nuclear charge, and it increases across a period. x is the screening constant, and it increases across a period.

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a