Complete the following problems Calculator Results Rounded Answer
a. Add: 45 g + 1.0025 g + 3.78 g =
b. Subtract: 41.04 cm - 34.889 cm =
c. 1.270 x 10^4m + 1.4067 x 10^3 m =
d. 55.5 mL - 24.484 mL - 21.23 mL =
e. 1,000,400 mi + 323,220 mi - 4,000 mi =

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.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)