How many neutrons are there in the following atom?

what action forms a different chemical substance? A. crushing a rock B. burning a piece of wood C. mixing salt and pepper D. melting an ice cube

How many carbon atoms are there in a 2.4-carat diamond? diamonds are a form of pure carbon. (1 carat=0.20 grams) ?

What is salinity of water what does it do to the density of water

Which of the following is a characteristic typically not used to classify biomes? a. climate b. vegetation c. temperature d. geography

Fill in the coefficients that will balance the following reaction: a0SrCl2 + a1Li3PO4 → a2Sr3 (PO4) 2 + a3LiCl

A mixture of two compounds, a and b, was separated by extraction. after the compounds were dried, their masses were found to be: 105 mg of compound a and 91 mg of compound b. both compounds were recrystallized and weighed again.

What are the five types of chemical reactions?

Which chemical reaction do plants use to take carbon dioxide out of the air

What are the primary elements of the earths layres?

How long does it usually take fir a rock to undergo a stage within the rock cycle