Unit 5 Atom and Periodic Table Post Test
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Christopher Powers
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the periodic table of elements, what do all of the elements in group 2 have in common?
An atom of each element can hold up to eight electrons in its outer energy level.
An atom of each element can hold up to six electrons in its outer energy level.
Each element is an alkaline earth metal.
Each element is a halogen.
Each element is dull, brittle, and breaks easily.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which elements are found in the same period of the periodic table?
Hydrogen
Helium
Lithium
Beryllium
Boron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. The image shows a portion of the periodic table. Which two elements have similar characteristics?
neon and fluorine
chlorine and sulfur
fluorine and chlorine
oxygen and chlorine
argon and fluorine
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Identify Bohr's model of the atom. His model describes the reactivity of an element based on its number of valence electrons.
A
B
C
D
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Which atomic model proposed that electrons move in specific orbits around the nucleus of an atom?
Dalton’s atomic model
Thomson’s atomic model
Rutherford’s atomic model
Bohr’s atomic model
quantum atomic model
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Which types of orbitals are found in the principal energy level n = 3?
s, d
s, p, d
s, p
s, p, f
s, d, f
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?
10
20
30
0
200
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