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WorksheetsUnit 4 Review
Total questions: 15
Worksheet time: 15mins
What is the title of Unit 4?
Atoms & Energy
Forces in Motion
Nuclear Processes
Energy
Which of the following particles are NOT found in an atom?
proton
neutron
electron
quark
What charge does a proton have?
negative
positive
no charge (neutral)
depends on where it is in the atom
An isotope is an element with the same number of protons but different amounts of ...
electrons
nuclei
neutrons
protons
Protons and neutrons have a much ____ mass than electrons.
smaller
larger
same
1/1080
Most of the mass in an atom comes from its...
element
isotope
nucleus
electrons
The Periodic Table is organized by... (select ALL)
groups
periods
atomic number
shape
Elements in the same period of the Periodic Table have the ___ in common.
same number of electron shells
same number of electrons in their outer shell
same number of protons
same shape and size
When two small elements combine to create a different element, scientists call this...
nuclear fusion
nuclear fission
fishing
Jimmy Neutron
Which nuclear process releases more energy?
Fusion
Fission
Same
We don't have notes on this.
If in isotope is "unstable" this means that ...
the protons turn into electrons.
the protons & neutrons do not stay together in the nucleus.
the electrons become positively charged.
a large amount of energy is released.
Which of the following are types of radioactive decay?
alpha
beta
kappa
gamma
A (a) is when an element or isotope transforms into a different element or isotope.
Which processes would a scientist use to help determine the age of dinosaur fossil?
fusion
fission
the periodic table of elements
radioactive decay
In lesson 4.6, Ms. U used M&M's to model...
the half-life of radioactive atoms
fusion
fission
isotopes on the periodic table of elements
