What is the octet rule and how does it explain the formation of ionic compounds?

Which one is denser? question 2 options: the earth (a solid object) the sun, which is about 300,000 times more massive than the earth mars jupiter?

A solution is prepared by dissolving 150 mL of ethanol in enough water to make a 500 mL solution. What is the percent by volume of ethanol in the solution? 10% 30% 70%

Why are food preservatives added to food? O A. to increase the rate of reaction O B. to decrease the rate of reaction OC. to decrease potential energy of the reactants OD. to increase the temperature of the reaction

1) In 1.31 g of a chloride of titanium, there is 0.528 g of titanium. What is the empirical formula of this titanium chloride?

How many atoms are in a sample of 175 g of sodium (Na) ? A) 1.42 x 10^27 atoms B) 4.58 x 10^24 atoms C) 6.68 x 10^-21 atoms D) 1.26 x10^-23 atoms

Lake michigan holds 1.35 x 10^15 gallons of water

N which orbitals would the valence electrons for selenium (Se) be placed? s orbital and f orbital s orbital only s orbital and p orbital d orbital only

Anne prepares a solution of copper nitrate with a concentration of 30 g/dm³. What mass of copper nitrate did she add to 100cm³ of water, in grams?

Chemists classify an element an element as a metal based on what physical properties

What is the mass of 222 ml of ice if the density of ice is 0.92 g/ml?