How many elements are in a period in which only the s and p sublevels are filled

Lila is a track and field athlete. She must complete four laps around a circular track. The track itself measures 400 meters from start to finish and the race took her 6 minutes to complete.

A food product claiming to be sugar free contains A. less than 10 grams of sugar per serving. B. less than 0.5 grams of sugar per serving. C. less than 5 milligrams of sugar per serving. D. less than 2 milligrams of sugar per serving.

Be sure to answer all parts. methanol, a major industrial feedstock, is made by several catalyzed reactions, such as co (g) + 2h2 (g) → ch3oh (l) one concern about using ch3oh as an auto fuel is its oxidation in air to yield formaldehyde, ch2o (g),

Sulfur reacts with fluorine to produce three different compounds. The mass ratio of fluorine to sulfur for each compound is given in the following table: Compound mass F : mass S S2F10 2.962 SF4 2.370 SF6 3.

A population of birds has nesting sites for 500 birds and food for 400 birds. What is the limiting factor for this population? Explain your answer.

Children's reactions to divorce often include which of the following groups of behaviors?

Thorium-229 is a highly radioactive isotope. Use the chart to determine the half-life of Th-229. A) 7,340 years B) 8 years C) 16 years D) 22,020 years

Which of the following is true about a municipal bond with a put option? (A) An investor will exercise the option to put the bond if yields rise significantly. (B) An investor must have the issuer's permission to put the bond.

A certain ore is 37.3% nickel by mass how many kilograms of this ore would you need to dig up to have 10.0g of nickel

What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 1.00 L of 0.500 M NH4NO2 decomposes at 25.0°C?