What is an element that is a coin

If there are the same number of argon atoms in one sample and the same number of carbon atoms in another, then the value of the ratio, mass of the carbon sample/the mass of argon sample would be? a. 1.0 b. 3.3 c. 0.30 d. 12 e. 40

Describe the proportion of elements in minerals that contain more than one element.

An ionic compound is composed of the following elements: Nitrogen - 31.57% Hydrogen - 9.10% Phosphorus - 23.27% Oxygen - 36.06% What is the empirical formula for this compound?

What occurs when water in a river or stream transports tiny rock particles or sediment downstream. it also happens when these transported particles grind away the rock and when water dissolves chemical elements in the rock?

Which compound when stirred in water will not pass through filter paper?

How can you determine the valence electrons in an electron configuration?

Methods used to reduce sulfur dioxide emissions from smokestacks are an attempt by humans to A lessen the amount of insecticides in the environment B eliminate diversity in wildlife C lessen the environmental impact of acid rain D use non chemical

What does 54 in mn-54 represent

Valerie wants to examine the properties of a thick liquid but is finding it difficult to pour the liquid into a beaker. She needs to finish her investigation before the end of class.

What is the chemical name of baking soda