AnswersGA-GSE Physical Science AAtomic Theory

Atoms Answers

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Students are completing a table about a particular subatomic particle that helps make up an atom. The students have filled in one cell of the table so far.Based on the information shown, which statement about the subatomic particle must be correct?

Question illustration
A
Its location is in the nucleus, because the particle is a proton or a neutron.
B
Its location is in the nucleus, because the particle is a neutron or an electron.
C
Its charge is +1, because the particle is a proton.
D
Its charge is 0, because the particle is a neutron.
2
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Which statement best explains why the overall charge on an atom is zero?

A
The positive charge of the neutrons in the nucleus equals the negative charge in the electron cloud.
B
The positive charge of the protons in the nucleus equals the negative charge in the electron cloud.
C
The negative charge of the neutrons in the nucleus equals the positive charge in the electron cloud.
D
The negative charge of the protons in the nucleus equals the positive charge in the electron cloud.
3

What do an electron and a neutron have in common?

A
Each particle has a mass of 1 amu.
B
Each particle exists inside an atom.
C
Each particle has an electrical charge.
D
Each particle is located in the nucleus.
4

2 red and 2 blue overlapping balls in the center are surrounded by a green, fuzzy, circular cloud with a white line running through it. 2 green balls sit on the white line, and a line leading a bracket around the balls is labeled A. A line leading to a bracket overlapping the white line is labeled B.

Question illustration
A
It is very dense.
B
It has a large mass.
C
It is negatively charged.
D
It is where neutrons move.
5

What is the main difference between protons and neutrons?

A
Protons have a much smaller mass than neutrons.
B
Protons have a much larger volume than neutrons.
C
Protons have an electrical charge, but neutrons have no charge.
D
Protons make up the nucleus, but neutrons orbit around the nucleus.
6

A blue circle labeled proton and A overlaps a pink circle labeled neutron and C. The overlap is labeled B.

Question illustration
A
Is negatively charged
B
Has mass of 1 amu
C
Orbits the nucleus
D
Is positively charged
7

Which subatomic particle has the least mass?

A
electron
B
proton
C
neutron
D
the atom
8

Which statement describes an atomic nucleus?

A
An atomic nucleus is negatively charged.
B
An atomic nucleus has no electrical charge.
C
An atomic nucleus consists of mostly empty space.
D
An atomic nucleus contains most of the atom’s mass.
9

What is most likely true of an atom with a mass of 15 amu?

A
There are 15 protons.
B
There are 15 electrons.
C
The total number of protons and electrons is 15.
D
The total number of protons and neutrons is 15.
10

What is the mass of a neutron?

A
1/2,000 amu
B
1 amu
C
2,000 amu
D
1/200 amu

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Atoms Answers — GA-GSE Physical Science A