What is the chemical equation for CaCl2 dissolved in water?

What is the isotope notation of the element that has an atomic number of 24 and a mass number of 52?

Earnshaw's theorem (Prob. 3.2) says that you cannot trap a charged particle in an electrostatic field. Question: Could you trap a neutral (but polarizable) atom in an electrostatic field?

What element of an amino acid makes it different from other types of amino acids? A. Side chains B. Order of links C. Core atoms D. Pattern of folding

Which statements describe an ideal gas

Which scientist discovered that atoms contain electrons?

The factor that affects how easily an electron can be removed from an atom is the A. surrounding atoms. B. temperature of the environment. C. size of the atom. D. structure of the atom.

NaCl in roman numerals

A compound has an empirical formula of C2H6. What additional piece of evidence is needed to determine the molecular formula? a. percent composition of carbon b. mass of the sample c. relative numbers of atoms of each element d.

Educated guess about the meaning of the word atom

Which of the following symbols could represent an atom of an element