Which of the following was NOT a consequence of advances in metallurgy during the Bronze and Iron Ages?
A) decline in human population
B) better weapons of war
C) more efficient tools
D) eventual development of firearms

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2