Answer:
The vertical columns of the periodic table are called groups, or families. The significance is elements with similar properties are placed in the same vertical columns. The horizontal rows of the periodic table are called periods. The significance is that properties vary from left to right along the rows.
Explanation:
We just did this in science
Without any ionization, the element (Cn) would have 112 electrons because the atomic number of an element is the number of protons the element has and a neutral element has the same number of electrons as it does protons.
<u>Answer</u>:
Electric evaporator has been used to clean up the Chernobyl and 3 mile island accident.
<u>Explanation</u>:
About 14 years back, there was a puff of radioactive steam from the evaporator used in the "Three-mile island" nuclear plant. It took two years for the electric evaporator to clean up the 2.2 million gallons of water that have been destroyed because of the nuclear power plant accident.
The steam that came out of the electric evaporator carried a radioactive form of hydrogen and tritium with itself. Cost of clean up was $1 billion.
Names of Ionic Compounds<span>. </span>Name<span>. </span>CHEMISTRY<span>: A Study of Matter. © 2004, GPB. 6.16a. KEY. </span>Write<span> the </span>name<span> of </span>each ionic compound below. 1. MgS<span>. </span>2. FeO ... magnesium sulfide iron (II<span>) </span>oxide<span>barium sulfite </span>aluminum<span> hydroxide.</span>
