How many significant figures are in the number 50.5

The mass of a gold atom is 3.27 * 10-25 kg. If 3.6 kg of gold is deposited on the negative electrode of an electrolytic cell in a period of 14.

25.0 g of mercury is heated from 25°C to 155°C, and absorbs 455 joules of heat in the process. Calculate the specific heat capacity of mercury.

The combining of atoms is known as nuclear fusion. true false

So what's the heaviest non radioactive element. Brainliest 4 best.

What are three differences between potassium 40 and carbon 14?

Relate How do atoms relate to cells?

Rank the following compounds in terms of decreasing vapor pressure. Cl-CH2CH2OH CH3-O-CH3 CH3CH2OH CH3OH

A specific steroid has a λmax of 282 nm and a molar absorptivity ε of 11, 500 L mol - 1 cm - 1. What is the concentration of the compound in a solution whose absorbance at 282 nm is A = 0.060 with a sample pathlength of 1.00 cm?

The chemical formula for a covalently bonded group of atoms is called a

What is the molar mass, in grams, of a mole of an element equal to?