The subatomic particle found in energy levels.
What is an electron?
a single dense point from which the universe expanded.
What is a singularity?
The life stage where stars spend most of their time.
What is main sequence?
Matter cannot be created or destroyed.
What is the law of conservation of mass?
The highest point on a wave
What is crest?
The atomic number tells us...
What is the number of protons?
light that is ___________ tells us a distant galaxy is moving away.
What is redshifted?
The heaviest element that can be created in stars
What is iron?
How many atoms of each element are in..
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The scientific principle being shown in the image...
What is the doppler effect?
The second energy level can hold _____ electrons.
What is 8?
A wave that moves perpendicular to the direction it is traveling
What is transverse?
What is mass?
The type of bond that would form between
Potassium (K) and Iodine (I).
the color of the hottest stars
What is blue?
Draw a Bohr Diagram for Carbon
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Light emitted from a star can be separated into a band of colors known as a
What is a spectrum?
The name of a diagram that classifies stars based on their temperature and luminosity
What is an H-R diagram?
The reason elements in group 8 are non-reactive..
What is they have a full outer shell?
The speed of a wave is 80 m/s. If the wavelength is 4 m, what is the frequency?
20 Hz
Draw a Lewis structure for Argon.
Provide the 3 pieces of evidence for the Big Bang
1. Expansion of universe
2. CMB
3. Abundance of hydrogen and helium
As a star evolves from a main sequence to a giant, what happens in terms of its temperature and luminosity?
Temperature decreases
luminosity increases
Balance the following chemical reaction
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name of the process in which stars fuse hydrogen to create helium.
What is nuclear fusion?