can someone help me with my chemistry homework?

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A(n)________is a pure substance that is made of only one kind of atom. The symbol for a(n)_________is always one or two letters. When the symbol contains two letters, the 1st letter is always_____, and the 2nd letter is always_______.

A(n)_______is a pure substance containing two or more elements that are________combined. A(n)_________ is represented by a chemical ________. The elements in a(n)_________always combine in _______proportions.


i dont have my chem book :(
thanks! do you know these?

a(n)___is made of two or more substances that are___combined. A(n)___that is uniformly mixed is called____. A special name for this is a(n)____. A(n)____that is not uniformly mixed is called_____. A special type of mixture that is a solid___of two or more metals is called a(n)______.
 
An element is a pure substance that is made of only one kind of atom. The symbol for a element is always one or two letters. When the symbol contains two letters, the 1st letter is always capitalized and the 2nd letter is always lower case.

A compound is a pure substance containing two or more elements that are chemically combined. A compound is represented by a chemical formula. The elements in a compound always combine in fixed proportions
 
element, element. upper case. lower case.

not sure about the second paragraph. maybe about compunds and chemical equations. sorry. i tried
 
An element is a pure substance that is made of only one kind of atom. The symbol for a element is always one or two letters. When the symbol contains two letters, the 1st letter is always capitalized and the 2nd letter is always lower case.

A compound is a pure substance containing two or more elements that are chemically combined. A compound is represented by a chemical formula. The elements in a compound always combine in fixed proportions
 
An element is a pure substance that is made of only one kind of atom. The symbol for a element is always one or two letters. When the symbol contains two letters, the 1st letter is always capitalized and the 2nd letter is always lower case.

A compound is a pure substance containing two or more elements that are chemically combined. A compound is represented by a chemical formula. The elements in a compound always combine in fixed proportions
 
element, element. upper case. lower case.

not sure about the second paragraph. maybe about compunds and chemical equations. sorry. i tried
 
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