What is the total number of valence electrons in a sulfide ion in the ground state?

(1) 8 (3) 16

(2) 2 (4) 18

What is the mass and density of a tissue box with the volume 91.60

Compare and contrast the Bohr model of the atom with the modern model of the atom. What observations does the modern model explain that the Bohr model did not?

What is the difference between heterozygous and homozygous

If a substance changes its shape and size, is it a physical or chemical change? - chemical - physical - both

What does carbonic acid decompose into

Which of the following solutions contains the largest total concentration of ions, assuming complete dissociation .010 M aluminum chloride .010M sodium chloride .010M aluminum sulfate .010M calcium chloride

What is the relationship between chemical equilibrium and the rates of forward and reverse reaction? a. In equilibrium, the forward reaction rate must be greater than the reverse reaction rate. b.

Choose all that apply: Living organisms use atoms from sugar molecules combined with other elements to form: Question 9 options: Lipids Metals Nonmetal atoms Nucleic Acids

12.5ml of 2.0m NaOH neutralizes 10ml og HCL, what is the acid concentration

Can you explan process of budding in yeasts?