What are elements in the same row or period called

A researcher investigated the relationship between alcohol intake and reaction time using a driving simulation task. Participants drank either one ounce or three ounces of alcohol.

What volume of 0.350 m koh is required to react completely with 24.0 ml of 0.650 m h3po4?

What is the molar mass of CH4? (C = 12.01 g/mol, H = 1.008 g/mol)

Where does the peak intensity need to fall on the spectrum for a very intense star?

Molar solubility of CuBr Ksp = 6.3 x 10-9

What are the coefficients that will balance the skeleton equation below? n + h ⟶ nh?

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics

Why do cells have a plasma membrane? A. to separate protein from the nucleus B. to distinguish plants from animals C. to define the size of the cell D. to separate the inside of the cell from its enviroment

Base on its molecular mass, what is the molar mass of iron