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Chapter 9 - 10 Atoms, the Periodic Table, the Atomic Nucleus and Radioactivity Flashcards | StudBud
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Chapter 9 - 10 Atoms, the Periodic Table, the Atomic Nucleus and Radioactivity
Chapter 9 - 10 Atoms, the Periodic Table, the Atomic Nucleus and Radioactivity
30 terms
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#atoms, #periodic table, #radioactivity
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1
Elements that are in the same ___________ have a tendency to have similar chemical properties.
group
period
row
line
2
A ______________ is a unit for measuring radiation exposure.
joule
Newton
rem
meter
3
You are given a 3 radioactive samples: _ put in your hand, __ put in your pocket __ throw away.
beta, gamma, alpha
alpha, gamma, beta
alpha, beta, gamma
gamma, alpha, beta
4
The difficulty with fusion reactions is the amount of energy needed to overcome the electrical_
attraction
repulsion
reaction
diffusion
5
To determine the age of a sample is by calculating the ________ between C
12
and C
14
product
ratio
fraction
difference
6
A neutron makes a better nuclear bullet because is carries no electrical ____________.
charge
shock
supply
energy
7
Electrons have a _____ charge, are particles and behave like waves and can be excited by light
negative
neutral
ions
positive
8
An element is a material consisting of only one type of ______________.
atom
ion
particle
isotope
9
_______ is a higher frequency and therefore corresponds to a higher energy level transition.
red
blue
green
yellow
10
Atomic masses in the periodic table are not whole numbers because they are _____________.
mode
averages
fractions
sums
11
An animal replenishes its carbon-14 supply by eating ______________ with carbon-14 in them.
meat
candy
paper
plants
12
A large nucleus is more likely to undergo radioactive ______________.
ionization
translation
movement
decay
13
The heat from a nuclear reaction in a fission power plants is used to boil ______________.
air
coal
water
gas
14
Protons contribute more to an atoms _________ while electrons contribute more to its size.
mass
space
shape
area
15
An __________of an element has the same number of protons but different number of neutrons.
ion
atom
isotope
molecule
16
The mass number of an element is the sum of the ______________ and the neutrons.
ions
nucleons
electrons
protons
17
An example of an element with the most ______ is a sample with a half-life of 20 minutes.
power
radioactivity
energy
acidity
18
Element that would remain radioactive the ____ is a sample with a half-life of 20,000,000 yrs.
longest
shortest
19
In materials more than 50,000 years old the concentration of carbon-14 is too ______________.
high
low
20
Fissioning a single _____ nucleus produces more energy than fusing a pair of deuterium.
plutonium
polonium
thorium
uranium
21
18/6 O actually means an oxygen atom has 6 protons and 12 ______________.
neutrons
electrons
squarks
bosons
22
If carbon-14 is a beta emitter, the likely product of radioactive decay is ______________-14.
Boron
Nitrogen
Neon
Oxygen
23
The ___________________ spectrum represents the complete range of frequencies of light energy.
electromagnetic
spectroscopic model
electron configuration
probability cloud
24
The ____ released in the fission of a large nuclei is very large compared to a small one.
particles
electicity
energy
radio waves
25
Properties of light include: wave, particle and its ______ comes in packets of uniform size.
energy
frequencies
waves
forces
26
Radiation can be a useful tool. Like fire, it is only dangerous when ______________.
exploited
explored
misused
capitolized on
27
___ is the changing of one element into another by adding or removing protons from the nucleus.
translation
transition
reclamation
transmutation
28
A ______________ is the time it takes for 1/2 of the material to undergo radio decay.
relocation
transformation
half-life
transmutation
29
People who work around radioactivity wear film badges to monitor ______________ radiation.
gamma
ions
electrons
heat
30
Radioactivity is a tendency for an element or a material to emit ______________.
heat
electrons
radiation
light
