
ATOMS TESTS
Authored by Jesus Hernandez
Science
7th Grade
NGSS covered
Used 8+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest non-living particle that all matter is made of?
Molecule
Atom
Cell
Compound
Answer explanation
The smallest non-living particle that makes up all matter is the atom. Atoms combine to form molecules and compounds, but they are the fundamental building blocks of matter.
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of a proton?
Neutral
Negative
Positive
Variable
Answer explanation
A proton carries a positive charge, which is fundamental to its identity as a subatomic particle. This distinguishes it from electrons, which have a negative charge, and neutrons, which are neutral.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of a neutron?
Positive
Negative
Neutral
Variable
Answer explanation
A neutron has no electric charge, making it neutral. This distinguishes it from protons, which are positively charged, and electrons, which are negatively charged.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of an electron?
Positive
Negative
Neutral
Variable
Answer explanation
The charge of an electron is negative, which is fundamental to its role in electricity and chemistry. Electrons carry this negative charge, contrasting with protons, which have a positive charge.
Tags
NGSS.MS-PS2-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the number of protons in an atom changes?
It becomes an isotope
It changes into a different element
It becomes an ion
It remains the same
Answer explanation
When the number of protons in an atom changes, it alters the atomic number, which defines the element. Therefore, the atom becomes a different element, making 'It changes into a different element' the correct choice.
Tags
NGSS.HS-PS1-8
6.
MATCH QUESTION
30 sec • 1 pt
Match the following atomic changes with their outcomes.
Change in neutron count
It changes into a different element
No change in subatomic particles
It becomes an isotope
Change in electron count
It remains the same
Change in proton count
It becomes an ion
7.
DRAG AND DROP QUESTION
30 sec • 1 pt
When electrons are removed from an atom, it becomes (a)
It becomes a cation
It becomes an anion
It becomes neutral
It remains the same
Answer explanation
When electrons are removed from an atom, it loses negative charge, resulting in a net positive charge. This positively charged atom is called a cation.
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