Science
10th Grade
NGSS covered
Used 2+ times
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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
The chemical bond formed when two atoms share electrons is called a(n)
Covalent bond
Ionic bond
Metallic bond
Electron bond
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which pair of atoms will combine with each other and form an ionic bond?
C and O
C and H
Ca and Mg
Ca and Br
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the oxidation number of oxygen in most compounds?
6
-2
8
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which formula represents a substance that contains covalent bonds?
LiCl
CaCl₂
K₂O
CO₂
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
How does an atom of aluminum become an ion?
It gains 3 electrons
It gains 3 protons
It loses 3 electrons
It loses 3 neutrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
How many electrons are shared within a single bond?
0
1
2
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which atoms are most likely to form covalent bonds?
metal atoms that share electrons
metal atoms that share protons
nonmetal atoms that share electrons
nonmetal atoms that share protons
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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