Chemistry Fall Semester Final Exam

Chemistry Fall Semester Final Exam

9th - 12th Grade

54 Qs

quiz-placeholder

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Chemistry Fall Semester Final Exam

Chemistry Fall Semester Final Exam

Assessment

Quiz

Chemistry

9th - 12th Grade

Practice Problem

Medium

Created by

Jeffrey Surbeck

Used 11+ times

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54 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

In the nuclear equation given below, calculate the mass number of the alpha particle.

0
4
234
238

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

An atom has no net electrical charge because

its subatomic particles carry no electrical charges.
the positively charged protons cancel out the negatively charged neutrons.
the positively charged neutrons cancel out the negatively charged electrons.
the positively charged protons cancel out the negatively charged electrons.

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

The isotope below has how many neutrons, protons, and electrons.

126 neutrons, 52 protons, and 52 electrons.
74 neutrons, 52 protons, and 52 electrons.
52 neutrons, 74 protons, and 74 electrons.
52 neutrons, 126 protons, and 126 electrons.

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What are the two fundamental subatomic particles found in the nucleus?

proton and electron
proton and neutron
neutron and electron
neutron and positron

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the smallest amount of energy that can be gained or lost by an atom?

electromagnetic photon
beta particle
quanta
wave-particle

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In the ground state, which orbital does an atom’s electrons occupy?

the highest available
the lowest available
the n = 0 orbital
the d suborbital

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

It is impossible to know precisely both the location and velocity of an electron at the same time because of:

the Pauli exclusion principle
the dual nature of light
how electrons travel in waves
the Heisenberg uncertainty Principle

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