If I mix 5mL of a 0.1M solution of Ni with 5mL of a 0.1M solution of Co, what will be the final concentration of each, Ni and Co?

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?