What determines the mass number of an element?

the number of protons minus the number of electrons

the number of protons

the total number of protons, electrons, and neutrons

the total number of neutrons and protons

What makes a molecule polar? O A. Nonpolar covalent bonds within the molecule that cancel out O B. Ionic bonds between atoms of different electronegativities O C. Bonds between atoms of the same electronegativity O D.

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Which is a characteristic of all waves? a All waves carry energy. b All waves move through space. c All waves move through matter, from particle to particle. d All waves transfer energy parallel to the direction of wave motion.

What type of orbitals overlap to provide stability to the tert-butyl carbocation by hyperconjugation

What volume in dm3 of KCl is obtained in the following equation? 2kclo3 (s) →2kcl (s) + 3o2 (g) ... explain the method ...

Enter the molecular formula for butane, C4H10. express in a chemical formula

In a video game a flying cocunut moves

Which factor is needed to begin a nuclear fission reaction? high temperature stable nuclei addition of a neutron low pressure

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL

Where are most of the young, massive stars in the Milky Way?