Elements listed in vertical columns of the periodic table:

have similar chemical properties

have similar physical properties

are metals

can combine with each other chemically

A water sample contains the pollutant chlorobenzene with a concentration of 15 ppb. What is the molarity of this solution? Assume the density of the solution is 1.00 g/mL. The molar mass of chlorobenzene is 112.6 g/mol.

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.

You are handed an opaque, hard rod. In the lab you pull on the ends of the rod. Before it start to stretch, it breaks with an audible 'snap'.

What is the most polar? A) C-N B) C-O C) C-C D) C-Cl E) C-F

For this reaction: 3 KClO3 to 3 KCL + 4 O2, How many miles of potassium chloride are needed to produce 13 grams of oxygen?

What is the electronegativity difference in AIF3?

What describes a change that occurs when one substance reacts to another substance?

Based on the following characteristics, classify the state of matter: high energy found in stars consists of freely moving charged particles liquid solid plasma gas

What are some possible explanations you think a researcher might find to explain why the fish are washing up on the shore of Lake Superior

What is the mass of a bacterial cell?