Number of

Protons

Number of

Neutrons

Atomic

Number

Mass

Number

Element

(symbol)

D

12

10

E

F

Using the periodic table, complete the table to describe each atom. Type in your answers.

The molar mass of KCl is 74.55 g/mol. If 8.45 g KCl are dissolved in 0.750 L of solution, what is the molarity of the solution? 0.113 M 0.151 M 6.62 M 11.3 M

What are the primary components of rocks? A. minerals B. feldspars C. granites D. gabbros

What are the two sources of Earths internal heat energy today

Which statement correctly describes the location and charge of the protons in an atom?

A balloon contains 5L of oxygen at a pressure of 90 kPa. How much oxygen will the ballon contain if the pressure is lowered to 67 kPa.

How do you balance __Mg + __HCl - - > __MgCl2 + ___ H2

How many grams of methane, CH4 are produced from the complete reaction of 5.15 moles of carbon monoxide, CO

If you change the state of something, say, liquid to solid, is it a physical or chemical change?

What type of calorimeter would be best to use if you wanted to measure the heat that is released when gasoline is burned?

Tina has a sample of gaseous water at a temperature of 400 C and a pressure of 4 atm. If Tina increases the pressure to 200 atm, will the gaseous water liquefy? Why or why not?