A sample of mercury has a mass of 119 g and a volume of 8.76mL. Calculate the density of mercury. (How do you do this!)

1. Which statement describes the charge and location of an electron in an atom? A) An electron has a positive charge and is located outside the nucleus. B) An electron has a positive charge and is located in the nucleus.

Atomic Theory is A - subject to change if new information is discovered. B - a solution to the problem of differing isotopes. C - Unchangeable D - a descriptive table that lists all of the elements.

Which type of bonding involves a lattice of positive ions surrounded by a cloud of delocalized electrons? A. ionic bonding B. metallic bonding C. covalent bonding D. hydrogen bonding

How do i complete and balance the reaction hc2h3o2+ba (oh) 2

Which of the following is an example of a liquid and gas mixture? * rubbing alcohol and water air carbonated water ocean water

The electron configuration 1s22s22p63s23p6 represents which noble gas?

What feature distinguishes a neutral atom from an ion

What is urine made of?

How many grams of F - must be added to a cylindrical water reservoir having a diameter of 2.02 * 102 m and a depth of 87.32 m?

How do you know when it's the same element?