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Everything We've Learned So Far This Year! Flashcards | StudBud
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Everything We've Learned So Far This Year!
Everything We've Learned So Far This Year!
40 terms
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StudBud Administration
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44 plays
Chemistry, Chemistry, Chemistry
Flashcards
40 cards
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Practice quiz
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Host live
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Questions
40
Answers
1
What is the mass of Helium-4?
2 AMU
4 AMU
0 AMU
1 AMU
2
What is the mass of Hydrogen-1?
0 AMU
1 AMU
2 AMU
4 AMU
3
Where was most of the Bismuth in the universe created?
In Stars
In Supernovas
In Neutron Stars
In the Big Bang
4
Atoms Are
Made up of Protons, Neutrons and Electrons
All of these things.
The smallest possible sample of an element
A fundamental building block of matter
5
What is the third rule of the lab?
No open toed shoes
treat all chemicals as if they were dangerous
Always have a partner
Don't do anything you aren't told to do
6
Which particles have a mass of 0 AMUs?
Neutrons and Electrons
Photons and Electrons
Protons and Electrons
Protons and Neutrons
7
Which of these steps comes first in the scientific method?
Theorizing
Communication
Hypothesizing
Experimentation
8
Which particles have a mass of 1 AMU?
Protons and Neutrons
Protons and Electrons
Photons and Electrons
Neutrons and Electrons
9
What is an independent variable
A variable that is changed by other variables
A factor in an experiment that the scientist controls
A variable that changes by itself
Hermie the Elf
10
What is an Element?
A piece of an electical circuit
A box that goes up and down inside buildings
A pure substance consisting only of one type of atom
A large grey animal with big ears
11
Where was most of the oxygen in the universe created?
In Neutron Stars
In Stars
In the Big Bang
In Supernovas
12
What particle isn't in Hydrogen-1
Electron
Proton
Neutron
13
Negative Betas are
0-1e-1
0+1e+1
Just a photon
42He+2
14
Alpha Particles
Emerge before Beta particles
Are Hydrogen Ions
Are Helium Ions
Are Electrons
15
Why do scientists use mass instead of weight
Because mass is heavier
Because it is a weighty subject
Because mass is independent of gravity
Because we gain weight whenever we eat
16
What do stars produce when they burn hydrogen
Hydrogen-2
Helium
Boron
Carbon
17
What is the second rule of the lab?
Always have a partner
No roughousing
No open toed shoes
Don't do anything you aren't told to do
18
What is a substance?
anything with more than one kind of atom
Matter that has a definite and uniform composition
Something with volume and mass
Liquids made of more than one chemical
19
What is precision
How close your measurements are to each other.
How close your measurements are to the accepted value
20
What is true about neutral atoms
They have the same number of protons and neutrons
They have the same number of protons and electrons
They taste extra sweet
They have the same number of electrons and neutrons
21
What is a control?
A variable that changes by itself
A lever or handle that manipulates things.
A factor in an experiment that the scientist controls
An experimental run with no changes from normalcy
22
Can Chemicals Give you Superpowers?
It's OK, they can rebuild you!
No, but they taste like vanilla
They mostly just get you burned, mangled, sick, or dead
Yes Absolutely!
23
Electrons
Are neutral
Have a mass of one AMU
Have a positive charge
Have a negative charge
24
What is the first rule of the lab?
Always have a partner
No open toed shoes
Don't do anything you aren't told to do
No roughousing
25
What is accuracy?
How close your measurements are to each other.
How close your measurements are to the accepted value
26
Where was most of the hydrogen in the universe created?
In Neutron Stars
In the Big Bang
In Supernovas
In Stars
27
What orbital is Iron filling?
d
p
f
s
28
Gamma particles are
0-1e-1
Just a photon
42He+2
0+1e+1
29
Mass
Is weight
Is how large an object is
Is equal to energy squared
Is a measure of the matter in an Object
30
How can you tell two atoms are the same element?
They have the same number of neutrons
They have the same number of electrons
They have the same number of protons
They have the same mass
31
How many elements are there?
118
54
18
36
32
What orbital is Uranium filling?
d
p
s
f
33
Where are the atoms in the periodic table that have the highest ionization energy?
Upper Left
Lower right
Upper RIght
Lower Left
34
How many significant digits are there in 101.1
2
4
1
3
35
What is Chemistry?
Something Chemists do
The Study of Matter and its interactions
A tree planted by a Chemist: Chemist-tree
The opposite of Yrtsimehc
36
Protons
Are more positive than neutrons
Are smaller than electrons
Only take paying gigs
Have no mass
37
An Isotope is
An element with a specific number of neutrons
An element with a specific number of electrons
An element with a specific number of protons
An element with an unequal number of protons and electrons
38
How many significant digits are there in 1.0
3
2
1
4
39
Neutrons
Have no mass
Empty choice
Have a mass of 1 AMU
Are fresher than Oldtrons
40
Matter
Has Mass but not Energy
Has Mass and takes up Space
Has color but not Wavelength
Has Mass and Energy
