This periodic table entry is for the element neon. How many neutrons does a typical neon atom have?

5

10

20

30

How many variables are there in science

When a solution of LiC2H3O2 reacts with a solution of MgSO4, what is the net ionic equation? No reaction Mg+2 (aq) + C2H3O2 - (aq) → Mg (C2H3O2) 2 (s) Mg+2 (aq) + 2C2H3O2 - (aq) → Mg (C2H3O2) 2 (s) 2Li + (aq) + SO4-2 (aq) → Li2SO4 (s)

If you needed to make ultrapure silver from crude silver, where would you place the crude silver metal in an electrolytic cell? Question 13 options: connecting wires cathode power source anode

Real gases behave as ideal gases only when they are at Select one: a. high temperature and high pressure b. low temperature and high pressure c. high temperature and low pressure d. low temperature and low pressure

According to the law of conservation of matter, which chemical equation represents a possible chemical reaction? a. 2na cl2 nacl b. h2o2 h2o o2 c. 6co2 h2o energy c6h12o6 6o2 d. c2h4o2 nahco3 nac2h3o2 h2o co2

A rectangular block of lead (Pb) measures 20.0 mm X 30.0 mm X 45.0 mm. If the density of Pb is 11.34 g/cm3, calculate the mass of the block

1. What is the name of TiSe

What pressure is exerted by 0.750 mol of a gas at 0 °C and a volume of 5 L? 2.1 atm 3.4 atm 4.98 atm 760 atm

8) What is the molarity (M) of an aqueous solution containing 22.5 g of sucrose (C12H22011) in 35.5 mL of solution? A) 3.52 M B) 1.85 x 10-2M C) 0.104 M D) 0.0657 M E) 1.85 M

D5W is a solution used as an intervenous fluid. It is 5.0% by mass solution of the dextrose (C6H12O6) in water. if the density of D5W is 1.029 g/ml. Calculate the molarity of the dextrose in the solution.