Unit 4 Final Test
Authored by Georgianna Allen
Science
7th Grade
NGSS covered
Used 11+ times
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26 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
On the periodic chart, whchi atoms becomes a positive ion?
Metals like Potassium
Lead
Nonmetals like oxygen
chlorine
2.
DRAG AND DROP QUESTION
1 min • 1 pt
Dinitrogen trioxide contains (a) nitrogen atom(s) and (b) oxygen atom(s).
Tags
NGSS.MS-PS1-1
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
On the periodic chart, whchi atoms becomes a negative ion?
Metals like Potassium
Lead
Nonmetals like oxygen
chlorine
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A negatively charged Iodine (I) ion would most likely be attracted to which of the following?
A positivelly charged Lithium ion
A neutral helium atom
A negatively charged oxygen ion
Another negtaively charged iodine ion
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-1
5.
MATCH QUESTION
1 min • 1 pt
Match the description of bonds to their name:
Metallic Bonding
When two non-metals share electrons between them
Covalent Bonding
An association between a metal that has given up and electron to a non-metal that has accepted that electron
Ionic Bonding
When two metals assicate with each other.
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following explains the role of valence electrons?
They are the least common type of electrons and give their ion a positive charge
They are the electrons in an atom that can be used to form bonds.
They are the electrons that have escaped the nucleus of the atom.
They are free electrons that are not part of an atom.
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Methane has the formula: CH4. In this molecule, Hydrogen (H) has an oxidation number of +1. Methane is overall neutral, so what is the oxidation number of Carbon (C)?
+4
0
-1
-4
Tags
NGSS.MS-PS1-1
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