Aluminium has the electron arrangement 2,8,3. What is the charge on

the ion it forms?

What is the ionic compound formula for aluminum sulfide?

Is sweeping the floor Work, No work or power?

Consider an atom of sodium with an atomic number of 11 and an atomic weight of 23. how many neutrons are in this atom

Which of the following is true for all chemical reactions? a. The total mass of the reactants increases. b. The total mass of the products is greater than the total mass of the reactants. c.

Draw the products of the complete hydrolysis of an acetal. draw all products of the reaction

What is the basic building block of matter to a chemist

Between magnesium and calcium, which has the highest ionization energy, and why?

approximately how many different cells can be found in a human cell? A. less than one hundred B. less than 10 C. more than a million D. more than one thousand

If I have a 200 L container filled with nitrogen at a pressure of 1.0 atm, how many moles of nitrogen are present at 25 degrees C?

In the periodic table, a set of properties repeats from