Question #1: Protons are held to each other by 1. a magnetic force. 2. the nucle
ID: 1312295 • Letter: Q
Question
Question #1:
Protons are held to each other by
1. a magnetic force.
2. the nuclear strong force.
3. the force of attraction between electric charges.
4. a gravitational force.
Question #2
Which of the following has the largest mass?
1. proton
2. particle
3. neutron
4. electron
Question #3
Which of the following has the smallest mass?
1. proton
2. electron
3. neutron
4. particle
Question #4
What is the universal force that acts on the
protons and neutrons of an atom?
1. electric
2. magnetic
3. nuclear
4. gravitational
Question #5
Why are alpha and beta rays deflected in
opposite directions in a magnetic field?
1. They have different penetration abilities.
2. They have different masses.
3. They are oppositely charged.
4. They have different chemical characteristics.
5. They have different lifetimes.
Question #6
Carbon dating allows us to
1. understand the motion of the Moon
around the Earth.
2. discover the age of dead bodies.
3. explain global warming.
4. keep an accurate daily calendar.
Question #7
Why does plutonium not occur in appreciable
amounts in natural ore deposits?
1. Plutonium has a relatively heavy mass.
2. Plutonium is a gas.
3. Plutonium easily reacts chemically with
other materials.
4. Plutonium has a relatively long half life.
5. Plutonium has a relatively short half
life.
Question #8
The radiation from a radioactive element
comes from
1. chemical bonds.
2. the electrons.
3. the nucleus.
Question #9
Most radioactive elements have
1. equal numbers of protons and neutrons.
2. more neutrons than protons.
3. more elctrons than protons.
4. more protons than neutrons.
Question #10
In nature, one element can change to another
by the process of
1. polymerization.
2. radioactive decay.
3. covalent bonding.
4. combustion.
Question #11
The half-life of a radioactive element is
1. the time it takes for half the radioactive
nuclei in a sample to decay.
2. the time it takes for half the protons in a
radioactive nucleus to be lost.
3. half the time it takes for a radioactive
nucleus to decay.
4. the time it takes for half the neutrons in
a radioactive nucleus to be lost.
Question #12
Atoms that have the same atomic number but
different numbers of neutrons are
1. radioactive
2. ions
3. isotopes
4. impossible
Question #13
What indoor pollutant can lead to nasal can-
cers if not removed?
1. plutonium
2. radon
3. polonium
4. uranium
5. radium
Question #14
Which one of the following IS NOT a property
of radon?
1. tasteless
2. nonradioactive
3. unreactive
4. odorless
Question #15
The ultimate source of radon in the environ-
ment is from the radioactive decay of natu-
rally occurring
1. carbon.
2. xenon.
3. uranium.
4. plutonium.
Question #16
particles emitted from radioactve nuclei
have
1. a larger mass than an particle.
2. a smaller mass than electrons.
3. a larger mass than electrons.
4. the same mass as an electron.
Question #17
Choose the particle having a relative mass of
1 u and no charge.
1. alpha particle
2. none of these
3. neutron
4. beta particle
5. proton
Question #18
An particle can be represented as ? .
1. 4He
2. 1p
3. e?
4. 1n
Question #19
Radioactivity is a general term that includes
the emission of several kinds of particles.
Which of the following is NOT included
under this term?
1. electromagnetic radiation
2. protons
3.
4. electrons
5.
Question #20
Of the following species, the one with the
greatest energy is probably a(n) ? .
1. electron
2. particle
3. particle
4. ray
5. proton
Explanation / Answer
Question #1:
Protons are held to each other by
2. the nuclear strong force.
.
Question #2
Which of the following has the largest mass?
3. neutron
(if by arrticle you mean alpha particle, then that would be the correct answer)
.
Question #3
Which of the following has the smallest mass?
2. electron
(please be clear about what particle you are telling about)
.
Question #4
What is the universal force that acts on the
protons and neutrons of an atom?
3. nuclear
.
Question #5
Why are alpha and beta rays deflected in
opposite directions in a magnetic field?
3. They are oppositely charged.
.
Question #6
Carbon dating allows us to
2. discover the age of dead bodies.
.
Question #7
Why does plutonium not occur in appreciable
amounts in natural ore deposits?
4. Plutonium has a relatively long half
life.
.
Question #8
The radiation from a radioactive element
comes from
3. the nucleus.
.
Question #9
Most radioactive elements have
2. more neutrons than protons.
.
Question #10
In nature, one element can change to another
by the process of
2. radioactive decay.
.
Question #11
The half-life of a radioactive element is
1. the time it takes for half the radioactive
nuclei in a sample to decay.
.
Question #12
Atoms that have the same atomic number but
different numbers of neutrons are
3. isotopes
.
Question #13
What indoor pollutant can lead to nasal can-
cers if not removed?
5. radium
.
Question #14
Which one of the following IS NOT a property
of radon?
2. nonradioactive
.
Question #15
The ultimate source of radon in the environ-
ment is from the radioactive decay of natu-
rally occurring
3. uranium.
.
Question #16
particles emitted from radioactve nuclei
have
.
4. the same mass as an electron.
Question #17
Choose the particle having a relative mass of
1 u and no charge.
3. neutron
.
Question #18
An particle can be represented as ? .(I assume alpha particle)
1. 4He (Alpha particle)
3. e? (Beta Particle)
.
Question #19
Radioactivity is a general term that includes
the emission of several kinds of particles.
Which of the following is NOT included
under this term?
1. electromagnetic radiation
.
Question #20
Of the following species, the one with the
greatest energy is probably a(n) ? .
(you need to mention what energy are you refering to)
I assume KE and say the answer is the gamma rays as it can achieve about speed of light
Rays
Hope this helps.