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Everything Chemistry

Revise Everything in Chemistry.

QuestionAnswer
Complete the word equation below to show all the products formed when metal carbonate reacts with an acid. metal carbonate + acid ---> salt + water + carbon dioxide
Name two carbonate that reacts with acid. Sodium Carbonate and Calcium Carbonate
Explain why limestone buildings are damaged by acid rain. A chemical reaction takes place which causes the limestone buildings to be weathered
Give two problems that are caused by quarrying limestone scarring the earth and destroy natural animal habitat.
give two ways that quarries can benefit local communities. Creates job opportunities and more Income.
What is the charge of an atom? Zero
What is an element? A substance that is made up of one type of atom
An atom has the same number of ______ and ______ protons and electrons
What decides what element and atom is? The number of protons
I am in the center of the atom. I contain protons and neutrons nucleus
I move around the nucleus in a shell electron
I have no charge neutron
I am positively charged proton
In a neutral atom there are as many of me as there are electrons proton
A column in the periodic table is? Vertical
On which side of the periodic table are metals? left
True or false. Group seven elements are known as noble gases. false
What is the symbol for copper? Cu
all noble gases are unreactive true
Elements in the same group has _______ properties similar
What the is the symbol for Calcium? Ca
Each element has a different ______ Symbol
True or false. Noble gases have a full outer shell of electrons. true
Created by: 1153443876
 

 



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