An atom has 5 protons and 7 neutrons. What is its mass number of amu?

Why is the brcl molecule polar? the shared electrons are closer to cl due to the greater electronegativity of chlorine. bromine has a large positive nucleus. three-dimensional geometry is asymmetrical.

What is a graph conclusion?

3. At McDonald's it takes 3 buns and 2 hamburger patties to make a Big Mac. If you have 72 hamburger buns how many big macs can you make? (Record your answer to 2 sig figs) * Your allswer

According to the kinetic-molecular theory the average kinetic energy of gas particles depends on which factor? A:Volume B:Pressure C:Temperature D:Number of Particles

Which of the following is not equal to 120 centimeters? A) 0.0012 kilometers (km) B) 0.012 dekameters (dkm) C) 1.2 meters (m) D) 1200 millimeters (mm)

Galaxy includes: choose all that apply. planetsstarsdust interstellar gas dark matter

Why can't copper be changed into gold

Boyle's Law represents the relationship of volume as pressure changes. The constants of Boyle's Law are: a. pressure and number of molecules of gas b. volume and temperature c. pressure and temperature d. temperature and number of molecules of gas e.

What is Tyndall effect? Describe an activity to show that a true solution does not show Tyndall effect

How many carbon atoms are represented by the model below?