CHAPTER 13 AND 14
Authored by Ayfer Mustafa
Science
7th Grade
Used 1+ times
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
…………. are unreactive nonmetals and are Group 18 of the periodic table.
Noble gases
Alkali metal
Hydrogen
a) Halogen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) ____________________________ are elements in Group 1 of the periodic table.
Alkali earth metal
noble gases
alkali metal
halogen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Each vertical column of elements from top to bottom on the periodic table is called a ....................
period
group
line
arrow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) ________________________is the sum of protons and neutrons in an atom.
atomic mass
mass number
atomic number
mass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The horizontal row on the periodic table is called a
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Most of the elements on the periodic table are classified as _____.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This class of elements are sometimes called "semiconductors."
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