Which two elements have the same number of dots around their chemical symbols in their electron dot diagrams?
A. P and S
B. Si and As
C. P and As
D. Al and Ge

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li