17. An atom of sodium has an atomic number of 11 and a mass number of 23. Which of the following statements is
correct?
A. An atom of sodium has 11 protons, 11 electrons, and 11 neutrons.
B. An atom of sodium has 11 protons, 12 electrons, and 11 neutrons.
C. An atom of sodium has 11 protons, 11 electrons, and 12 neutrons.
D. An atom of sodium has 11 protons, 12 electrons, and 12 neutrons.
18. Which of the following is the basis for the arrangement of elements in the periodic table?
A. Isotope C. Atomic number
B. Atomic mass D. Number of neutrons
19. What is the first element in the periodic table?
A. Al B. H C. He D. Rb
20. Who is the Father of the Modern Periodic Table?
A. Albert Einstein C. Henry Moseley
B. Dmitri Mendeleev D. Lothar Meyer
21. What is the symbol of the element Sodium?
A. Au B. Fe C. K D. Na
22. What is the symbol of the second element in the periodic table?
A. Be B. H C. He D. Li
23. Why is Boron ahead with Carbon in terms of how they are arranged in the periodic table? Because____________.
A. Boron is harder to get than Carbon
B. they are arranged in alphabetical order
C. Carbon is a pure element and Boron is not
D. they are arranged in increasing atomic number
24. What property of copper makes it suitable for electrical wiring?
A. It is shiny. C. It has high density.
B. It is malleable. D. It is a good conductor.
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Answer:
17. a 18.c 19.d 20.a 21.c 22.d 23.c 24. A
Explanation:
Sana makatulong po
17. An atom of sodium has an atomic number of 11 and a mass number of 23. Which of the following statements is
correct?
A. An atom of sodium has 11 protons, 11 electrons, and 11 neutrons.
B. An atom of sodium has 11 protons, 12 electrons, and 11 neutrons.
C. An atom of sodium has 11 protons, 11 electrons, and 12 neutrons.
D. An atom of sodium has 11 protons, 12 electrons, and 12 neutrons. Q
18. Which of the following is the basis for the arrangement of elements in the periodic table?
A. Isotope C. Atomic number
B. Atomic mass D. Number of neutrons
19. What is the first element in the periodic table?
A. Al B. H C. He D. Rb
20. Who is the Father of the Modern Periodic Table?
A. Albert Einstein C. Henry Moseley
B. Dmitri Mendeleev D. Lothar Meyer
21. What is the symbol of the element Sodium?
A. Au B. Fe C. K D. Na
22. What is the symbol of the second element in the periodic table?
A. Be B. H C. He D. Li
23. Why is Boron ahead with Carbon in terms of how they are arranged in the periodic table? Because____________.
A. Boron is harder to get than Carbon
B. they are arranged in alphabetical order
C. Carbon is a pure element and Boron is not
D. they are arranged in increasing atomic number
24. What property of copper makes it suitable for electrical wiring?
A. It is shiny. C. It has high density.
B. It is malleable. D. It is a good conductor.