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What is formed when two substances combine and form a new substances combine and form a new substance which cannot return to their original form?
a chemical reaction
Is a pure substance Whose smallest unit is made of more than one element?
two or more substances that are together that are together but do not combine to form a new, pure substance
Formed when two or more substances come together but dont combine to form a new substance?
cousao atoms
What are two or substances placed together but do not combine?
These substances form a mixture.
What is 2 or more substances combine to form a new substance?
Compound.
When 2 poisonous substances combine why do they form a harmless substance?
such as when sodium and chlorine combine, they form salt which is obviously harmless
What are two or more substances placed together but do not combine?
These substances form a mixture.
What are two or more substances that are together but do not combine to form a new pure substance?
A mixture forms when two or more substances combine physically but not chemically.
What is it called when two or more substances combine to form another substance?
a synthesis reaction
What do two or more substances form when they are brought together without forming a new substance?
Two substances that are brought together, but not chemically combined to create a new substance, form a mixture.
When two elements combine to form a new substance is the new substance an element Whyor why not?
No, if two elements combine to form a new substance, the resulting substance is a compound, not an element. Compounds are made up of two or more different elements chemically bonded together in a fixed ratio, whereas elements are pure substances that cannot be broken down into simpler substances by chemical reactions.
A chemical reaction in which two or more substances combine to form another substance is called a?
synthesis reaction
