Who good at this n kno the answer hmu According to the periodic table, how many neutrons are in potassium atom that has an atomic mass of 41?

a 19

b 20

c 22

d 39

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

How is the shape of the poem “peer” connected to its meaning?

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml