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Which compound has the following : 3 Oxygen, 1 Carbon, 2 Sodium
Na2CO3
5
products
breaking a wooden ruler
burning wood
physical change
Electrons in the highest occupied energy level of the atoms
chemical properties
Electrons in the highest occupied energy level of an atom determines an elements -
Na2CO3
5
products
breaking a wooden ruler
burning wood
physical change
Electrons in the highest occupied energy level of the atoms
chemical properties
A melting ice cube is undergoing what type of change?
Na2CO3
5
products
breaking a wooden ruler
burning wood
physical change
Electrons in the highest occupied energy level of the atoms
chemical properties
Which of the following is an example of a physical change?
Na2CO3
5
products
breaking a wooden ruler
burning wood
physical change
Electrons in the highest occupied energy level of the atoms
chemical properties
Which of the following is an example of a chemical change?
Na2CO3
5
products
breaking a wooden ruler
burning wood
physical change
Electrons in the highest occupied energy level of the atoms
chemical properties
How many atoms are present in one molecule of NaHCO2?
Na2CO3
5
products
breaking a wooden ruler
burning wood
physical change
Electrons in the highest occupied energy level of the atoms
chemical properties
Which of these is MOST responsible for chemical reactions?
Na2CO3
5
products
breaking a wooden ruler
burning wood
physical change
Electrons in the highest occupied energy level of the atoms
chemical properties
When you combine vinegar and baking soda, it gives off gas. The reactants are vinegar and baking soda, what is the gas
Na2CO3
5
products
breaking a wooden ruler
burning wood
physical change
Electrons in the highest occupied energy level of the atoms
chemical properties
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