How do the atomic number and the

number of protons relate to one another?

The atomic number tells us the number

of protons

The atomic number is protons + neutrons

They do not

Electron Cloud

The combination of gases that surrounds and protects the earth is known as

How many moles of salt are in 13.8g of sodium chloride

The mass number of Bromine-81 is

What's the oxidation number for S2O3

What do measurements of the mass of the Milky Way indicate?

zinc metal can be obtained from zinc oxide zno by reacting the oxide with the element carbon the products of the reaction are Zn and CO2 what mass in grams of zinc oxide is needed to react completely with 5.00 mol of carbon

7. What is the maximum number of d orbitals in a principal energy level? 2 5 3 1

Single called organism live in a pond behind school

Which of the following would most likely contain a fossil?

Karen measures the volume of gas at 200 K and 100 kPa. To correct her measurement to standard temperature and pressure (STP), what must she do? A. make a volume correction based on a higher temperature of 273 K B.