.png){kind=logo}
PDF Download
FREE AND STUDY GAMES ABOUT CHAPTER 3 TEST EXAM
QUESTIONS
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -66 Questions and Answers -format set of multiple-choice -Expert- Explanation
Question 1: 28. the elements that do not ordinarily form compounds are
Answer:
noble gases Question 2: 27. which group of elements share characteristics with both metals and nonmetals
Answer:
metalloids
Question 3: 65. What is the definition of an atomic mass
Answer:
The total number of protons and neutrons in the nucleus of an atom. The average mass of one atom of an element.Question 4: 35. describing a metal as ___ means that it can be pounded into a new shape
Answer:
malleable
Question 5: 7. what is a physical property of most metals
Answer:
malleable, good energy conductors, ductile Question 6: 41. Mendeleev discovered that periodic patterns appeared when he arranged the elements in order of increasing ___
Answer:
atomic mass
Question 7: 43. a column of elements in the periodic table is called
Answer:
a group or family
Question 8: 19. the elements in a row
Answer:
are in the same period
Question 9: 9. what are the most reactive metals
Answer:
group 1, first column on the left Question 10: 3. from an element's location in the periodic table, you can predict
Answer:
its properties
Question 11: 4. column of the periodic table
Answer:
elements have similar properties Question 12: 61. when two nuclei combine in a __ reaction, a huge amount of energy is relased
Answer:
nuclear fusion
Question 13: 66. What is the definition of a chemical symbol
Answer:
A one letter, two letter or sometimes three letter representation of an element
Question 14: 37. nonmetals can be found on the ___side of the periodic table
Answer:
right
Question 15: 26. what is true about transition metals
Answer:
they are so similar that its often difficult to find differences between them
Question 16: 13. at room temp., more than half of the nonmetal elements are
Answer:
gases
Question 17: 23. the atomic number of an element is based on the
Answer:
number of protons in its nucleus Question 18: 34. the elements in each ____ of the periodic table generally have the same number of valence electrons
Answer:
group/family
Question 19: 25. the two most common alkaline earth metals are
Answer:
calcium and magnesium
Question 20: 55. most metals are in the __ state at room temperature
Answer:
solid
Question 21: 11. where are nonmetals located
Answer:
to the right of the zigzag line Question 22: 42. the property of an element that indicated the number of protons in its atom is the __
Answer:
atomic number Question 23: 44. the electrons in an atom that are involved in forming chemical bonds are called
Answer:
valence elctrons Question 24: 63. What are the four things that are included in a periodic table element box
Answer:
Atomic number, atomic mass, element name, chemical symbol
Question 25: 12. which group contains the most elements
Answer:
metals
Question 26: 36. the most chemically active metals are in ____
Answer:
group one
Question 27: 22. what part of the atom moves around the nucleus
Answer:
electrons
Question 28: 54. elements in Group 1 have ___ valence electrons
Answer:
one
.png)