Question
Complete the following statements: a. The number of protons and neutrons in an atom is also the ________ number.b. The elements in Group $7 \mathrm{A}(17)$ are called the ________.c. Elements that are shiny and conduct heat are called ________.
Step 1
This is because the mass of an atom is primarily determined by the number of protons and neutrons it contains. So, the complete statement is: "The number of protons and neutrons in an atom is also the \textbf{mass} number." Show more…
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