Physical Science A: Chapter 5
27. Correct Answer Which of the following is not true of noble gases?
Answer: A.) They are highly reactive.
28. Correct Answer Most nonmetals are
Answer: A.) brittle.
2.How was Mendeleev's periodic table arranged?
Answer: A.) by increasing atomic mass
10. Correct Answer The order of elements in the periodic table is based on
Answer: A.) the number of protons in the nucleus.
19. Correct Answer Each column of the periodic table is
Answer: B.) a group.
22. Correct Answer Which is not a family of the periodic table?
Answer: B.) anions
16. Correct Answer Because they differ in numbers of protons in their nuclei and in numbers of electrons in their filled inner energy levels, elements in a group
Answer: B.) are not exactly the same.
21. Silicon, a semiconductor, is often found in
Answer: B.) computers.
23. Correct Answer Metals tend to be
Answer: B.) good conductors of heat.
29. Correct Answer Most elements on the left side of the periodic table are
Answer: B.) metals.
6. Carbon and other nonmetals are found in which area of the periodic table?
Answer: B.) on the right side
5. In Mendeleev's periodic table, elements in each column had similar
Answer: B.) properties.
24. Correct Answer Which element is a semiconductor?
Answer: B.) silicon
14. Elements that have one valence electron tend to
Answer: Be highly reactive, form ions, and become charged
18. Correct Answer As you move from up to down in a column of the periodic table, elements have
Answer: C.) a higher atomic number.
7. Semiconductors are elements that
Answer: C.) can conduct heat and electricity under certain conditions.
15. Correct Answer Atoms that gain or lose electrons are called
Answer: C.) ions.
1.What is Mendeleev is known for?
Answer: C.) publishing the first periodic table
25. Correct Answer Elements that share properties of both metals and nonmetals are called
Answer: C.) semiconductors.
8. Correct Answer Atoms of elements that are in the same group have the same number of
Answer: C.) valence electrons.
17. Correct Answer What is the location of elements in the periodic table related to?
Answer: D.) electron arrangement
26. Correct Answer Ionization refers to the process of
Answer: D.) losing or gaining electrons.
4. Magnesium (Mg) is located to the right of sodium (Na) because Mg has
Answer: D.) more protons.
20. Correct Answer Mendeleev left gaps in his periodic table because
Answer: D.) no known elements fit there.
12. Correct Answer The three main groups of elements are metals, nonmetals, and
Answer: D.) semiconductors.
9. Correct Answer Which of the following elements is an alkali metal?
Answer: D.) sodium
3. As you move from left to right across the periodic table, elements
Become less metallic.
13. Correct Answer Group 17 elements form
anions.
11. Correct Answer Most elements are
metals.