1. Complete the following analogy: A chemical symbol is to an element as a chemical formula
is to a(n)
2. The compound sodium sulfide consists of a ratio of two sodium ions (Na) to one sulfide
ion (S2). Write the chemical formula for this compound.
3. A molecule of sulfur dioxide consists of one sulfur atom (S) and two oxygen atoms (O).
What is the chemical formula for this compound?
4. Identify the ratio of atoms in the compound represented by the following chemical
formula: N205
Answers: 1
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Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.
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Which element is least likely to undergo a chemical reaction
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1. Complete the following analogy: A chemical symbol is to an element as a chemical formula
is to a...
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