He table below gives the numbers of protons, electrons, and neutrons in four atoms. Atom Number of protons Number of neutrons Number of electrons 1 9 8 9 2 9 9 8 3 9 9 10 4 9 10 9 Based on the table, which atom has a charge of - 1?

When atoms combine they form A. molecules B. periodic table C. particles D. protons

Balnce the following molecular equation and write net ionic equation NaOH+H2SO4-Na2SO4+H2

If 26.25 ml of 0.1850 m naoh solution reacts with 25.00 ml of h2so4, what is the molarity of the acid solution?

What is the smallest possible value of the principal quantum number n for an f electron?

How many decigrams (dg) are in 0.822 micrograms?

If this fossil is 65 million years old, what could this fossil suggest about organisms alive today? A. If it is similar to any two modern species, it could be a common ancestor of these species. B.

A compound composed of electrically chargerd atoms is called?

If 5.0mL of HC2H30 require 4.96mL of 0.9581 M NaOH to just consume the HC2H302, what is the concentration of the HC2H3O2? If necessary, show the calculation on a separate sheet of paper, scan, and submit with your lab report.

How many formula units of CaSO4 are in 17g of CaSO4?

Which of these would be an appropriate way to describe the concentration of orange candies? Check all that apply the number of orange candies divided by total number of candies the mass of orange candies divided by total mass of candies the volume