Science

Quiz
•
Science
•
8th Grade
•
Hard
+1
Standards-aligned
Charles Martinez
FREE Resource
36 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An atom of which element has 37 protons, 48 neutrons and 1 valence electron?
Neon (Ne)
Carbon (C)
Rubidium (Rb)
Sodium (Na)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An atom of which element is represented by this model?
Neon (Ne)
Boron (B)
Nitrogen (N)
Carbon (C)
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When trying to identify an unknown element, a scientist determines what other elements reacts with chemically. Which property of the unknown element determines the other element it reacts with?
The total number of neutrons in the unknown element
The total number of particles in the nucleus of the unknown element
The number of protons in the nucleus of the unknown element
The number of valence electrons in the unknown element
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What part of the atom determines the identity of an atom?
Electrons
Neutrons
Protons
Nucleus
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What part of the atom determines the chemical properties or reactivity?
Protons
Electrons
Valence Electrons
Energy levels
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement accurately describes atoms of Oxygen?
Oxygen atoms have 20 protons
Oxygen atoms have 8 valence electrons
Oxygen atoms have 16 neutrons
Oxygen atoms have 8 electrons
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The atoms of a certain element each contain 9 protons and 7 valence electrons. Which statement correctly identifies this element and describes the chemical reactivity?
The element is oxygen, and is highly reactive.
The element is fluorine, and is highly reactive.
The element is oxygen, and is not very reactive.
The element is fluorine, and is not very reactive.
Tags
NGSS.MS-PS1-1
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