Which two particles are found in the nucleus of an atom?

O neutrons and electrons

O protons and electrons

O protons and neutrons

O neutrons and atoms

Boiling is an example of a physical property. How do the particles of gas compare to the particles as a liquid? a. The gas and liquid particles have the same structure and identity but different kinetic energy. b.

How many covalent bonds does oxygen form if each of its unpaired electrons participate in one bond?

1) European leaders of England and France were slow to stop the advances of Hitler and Mussolini because A) they believed Hitler was harmless. B) the League of Nations prevented them acting against Hitler and Mussolini.

Which electromagnetic radiation on the electromagnetic spectrum can be detected by the human eye? A) Radio B) X-Ray C) Microwaves D) Visible light

A teacher makes the following statement. "Gasoline boils at a relatively low temperature (about 150°C). The kerosene is removed at around 200°C, followed by diesel oil at 300°C and fuel oil at around 370°C.

6 features of a spider

What two forces are acting on the balloon when it is stuck to the wall and which is stronger?

In the process of electrolysis, current can flow through a liquid because A. water molecules become negatively charged. B. hydrogen is electrically neutralized in the solution. C. negative ions are attracted to the anode. D.

Part 1. A chemist reacted 15.0 liters of F2 gas with NaCl in the laboratory to form Cl2 and NaF. Use the ideal gas law equation to determine the mass of NaCl that reacted with F2 at 280. K and 1.50 atm. F2 + 2NaCl → Cl2 + 2NaF Part 2.

using the equaation 2h2+o2-->2h2o if 10.0g of hydrogen are used in the presence of excess oxygen how many grams of water will e produced