Science
7th Grade
NGSS covered
Used 14+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the ending "-ide" is added to the name of an ion, what do we know about the ion?
The atom lost electrons.
The ion has a neutral charge.
The ion has a negative charge.
The ion has a positive charge.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the only parts of an atom that make chemical bonds?
Valence electrons
Protons in the nucleus
Neutrons in the nucleus
Electrons in the nucleus
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of an aluminum ion that has 13 protons and 10 electrons?
1+
2+
3+
3-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why don't noble gases normally form chemical bonds?
They have 2 valence electrons.
They have 8 protons.
They have empty outer levels.
They have full outermost energy levels.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a sodium atom become when it loses its only valence electron?
Sodium atom
Sodium ion
Sodium compound
Ionic compound
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The more easily an atom gains an electron, what does it release more of?
energy
atoms
electrons
protons
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the charged particles that form when atoms gain or lose electrons?
Valence electrons
Atoms
Ions
Bonds
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