What you can use to represent the valence electrons of an atom

The ionization energies (kJ/mol) of hydrogen, nitrogen, sodium, chlorine, and fluorine are 1,312, 1,402, 496, 1,256, and 1,681, respectively. Which element is most likely to become a monoatomic ion with fluorine when these atoms interact?

What is the total mass of 14.2 grams

How many significant figures are in 23.479

The reactants of two chemical equations are listed. Equation 1: AgNO3 + Zn Equation 2: AgNO3 + MgCl2 Based on the type of reaction, which reaction can be used to extract silver metal from silver nitrate solution?

If hydrogen-1 has 1 proton how many protons does hydrogen-2 have?

an acrostic poem with the word energy

What are some chemacial changes in your school?

Which of the following is an example of a double-replacement reaction? A. 3K + AlCl3à 3KCl + Al B. KOH + HBr à KBr + H2O C. CH4 + 2O2à CO2 + 2H2O D. Cu + 2H2SO4à CuSO4 + SO2 + 2H2O

Distinguish between thermal cracking and catalytic cracking

At the end of the reaction you washed the chemicals into a beaker using water. Why was it OK to use water to do this if Grignard reagents are very reactive towards water?