Copper should not be disposed of in landfill sites
because the dust and waste gases of copper is very harmful to the environment. It
can leached into the ground possibly affecting the underground water.
4.90cl i’m a barium choordidr 30
The answer is b. Mass of the atoms
This is because of the law of conservation of mass. This means the mass in a system (in this case the reaction) can't change, so the quantity can't be added or removed
The element should be placed in the column for metalloids. Option A
<h3>What is the property of metals?</h3>
We know that the properties of metals can be used to identify an unknown substances as a metal. We know that metals are able to react with acids to liberate the metal salt and hydrogen gas. Metals do not react with bases because they can not accept electrons.
Metalloids are generally amphoteric in nature. They can react with both the acid and the basses to form compounds. The nonmetals do not react with acid or base.
Looking at the result, we are told that the entry in the second row have the entries nothing, nothing, nothing. If this is the outcome, then it follows that the element should be placed in the column for metalloids.
Learn more about metalloids:brainly.com/question/2548493
#SPJ1
The bonds of a glucose molecule store chemical energy
