Which of these is an element?

A. carbon

B. carbon dioxid

C. water

D. Air

When 50 ml of 1.000x10^-1m pb (no3) 2 solution was added to 50 ml of 1.000x10^-1m nai solution?

Why is a system for naming compounds necessary?

The electron configuration for the carbon atom (c) 1s22s22p2. the atomic number of carbon is

Which small group format generally selects members because they are experts on the issue being discussed?

How many hydrogen atoms are in 5.10 mol of ammonium sulfide?

Prepare a solution that is 0.1 M acetic acid and 0.1 M sodium acetate by measuring out 5.0 mL of the 1.0 M acetic acid solution and 5.0 mL of the 1.0 M sodium acetate solution in a 100 mL graduated cylinder, diluting the 10.

Which element has an ion that is smaller than an ion of calcium?

Which factor is responsible for the weak attraction between diatomic molecules of the halogens (group 7A) ? A) Hydrogen bonding B) Ionic bonding C) Dipole interactions D) London dispersion forces

Which is the correct equation for refractive index?

Alcl3) and lithium sulfate (li2so4) (note - this is a double replacement reaction. you need this information to predict the products of the reaction)