QuestionDecember 20, 2025

What does the atomic number of an element represent? A. The number of neutrons - B The number of protons C. C. The atomic mass D. The number of energy levels 2 Which element has the symbol Na? - A Neon b. B. Ntrogen C. Sodium d D. Nickel 3. Elements in the same group (family) on the periodic table usually have the same A. Atomic mass B. Number of protons - C Number of valence electrons D. State of matter 4 Which type of element is typically shiny and a good conductor of electricity? a A Nonmetal B. Metalloid C Noble gas D. Matal 6. Where are the nonmetals found on the periodic table? A. All the way to the left C. The stairstep II. Unterneath the main D. D. all the way to the right

What does the atomic number of an element represent? A. The number of neutrons - B The number of protons C. C. The atomic mass D. The number of energy levels 2 Which element has the symbol Na? - A Neon b. B. Ntrogen C. Sodium d D. Nickel 3. Elements in the same group (family) on the periodic table usually have the same A. Atomic mass B. Number of protons - C Number of valence electrons D. State of matter 4 Which type of element is typically shiny and a good conductor of electricity? a A Nonmetal B. Metalloid C Noble gas D. Matal 6. Where are the nonmetals found on the periodic table? A. All the way to the left C. The stairstep II. Unterneath the main D. D. all the way to the right
What does the atomic number of an element represent? A. The number of neutrons - B The number of protons C. C. The atomic mass D. The number of energy levels 2 Which element has the symbol Na? - A Neon b. B. Ntrogen C. Sodium d D. Nickel 3. Elements in the same group (family) on the periodic table usually have the same A. Atomic mass B. Number of protons - C Number of valence electrons D. State of matter 4 Which type of element is typically shiny and a good conductor of electricity? a A Nonmetal B. Metalloid C Noble gas D. Matal 6. Where are the nonmetals found on the periodic table? A. All the way to the left C. The stairstep II. Unterneath the main D. D. all the way to the right

Solution
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Answer

1. B ### 2. C ### 3. C ### 4. D ### 5. D Explanation 1. Identify atomic number meaning Atomic number equals the number of protons in an atom. 2. Find symbol Na Na is the chemical symbol for sodium. 3. Group property on periodic table Elements in the same group have the same number of valence electrons. 4. Identify shiny, conductive element type Metals are typically shiny and good conductors of electricity. 5. Locate nonmetals on periodic table Nonmetals are found all the way to the right of the periodic table.

Explanation

1. Identify atomic number meaning<br /> Atomic number equals the number of protons in an atom.<br />2. Find symbol Na<br /> Na is the chemical symbol for sodium.<br />3. Group property on periodic table<br /> Elements in the same group have the same number of valence electrons.<br />4. Identify shiny, conductive element type<br /> Metals are typically shiny and good conductors of electricity.<br />5. Locate nonmetals on periodic table<br /> Nonmetals are found all the way to the right of the periodic table.
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