stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
CHEM Pre-Comp Study Guide Flashcards | StudBud
Explore
/
CHEM Pre-Comp Study Guide
CHEM Pre-Comp Study Guide
46 terms
·
StudBud Administration
·
30 plays
Imported from external platform
Flashcards
46 cards
F
Practice quiz
P
Host live
L
Questions
46
Answers
1
Is this a homogeneous mixture?
Avogadro's Number
Yes
Its heterogeneous
No
2
What are the 2 main categories of matter?
Elements, Compounds
Mixtures, Elements
Pure Substances, Compounds
Mixtures, Pure Substance
3
What separation method would be most efficient in separating a heterogeneous mixture of oil & water?
Filtration
Evaporation
Decantation
Magnetism
4
What is the highest energy state of matter?
Gas
Plasma
Black Hole
Solids
5
What is the equation for pressure?
P=f*m
P=f/a
P=f/m
P=m*a
6
Variety in nuclear stability makes isotopes more or less ___________?
Isotopic
Reactive
Radioactive
Complex
7
Neutrons help _______ the nucleus?
Sustain
Unbalance
Stabilize
Rejuvenate
8
How many sigfigs does 40.00001 have?
6
7
2
3
9
What equation would you use to find mass? (given density and volume)
m=d*v
m=v/d
d=m/v
m=d/v
10
In a graph, the x-axis is the ____ while the y-axis is the _____.
DV, IV
DV, Constant
Constant, DV
IV, DV
11
Atomic number is also known as the number of ____________?
Electrons
Isotopes
Protons
Neutrons
12
How many significant figures would 13 pennies have?
4
1
2
Infinite
13
Define volume.
A measurement of mass
How thick a mixture may be
The amount of 3d space an object takes up
The weight and mass of an object
14
Which of the following is not in our atmosphere?
Krypton
Lithium
Carbon Dioxide
Argon
15
The _______________ holds the nucleus together?
Strong Force
Gravitational Force
Electromagnetic Force
Weak Force
16
Which of the following would best describe "diatomic element"?
Elements that are always found in pairs in nature (O2, H2, N2)
Elements that have 2 protons and 2 electrons, but only 1 neutron (Helium)
Elements that have 2 nuclei and 2 atoms, causing it to be highly reactive
Elements that have a different amount of electrons (AKA Isotope)
17
Deposition is a change from ______ to ________?
Solid, Gas
Gas, Solid
Plasma, Gas
Gas, Plasma
18
This state of matter does not have a definite shape or volume.
Fire
Liquid
Solid
Gas
19
Which of the following is a colloid?
Water
Tomato Juice
Milk
Orange Juice with pulp
20
What hazard does this symbol indicate?
Radioactive
Flammable
BIO Hazard
Corrosive
21
What is the formula for density? (pick the best answer)
L×W×H
m×a
m/a
M/L×W×H
22
Positively charged ions can also be referred to as ______?
Xynions
Cations
Anions
Onions
23
Which measurement is directly related to particle motion?
Viscosity
Temperature
Volatility
Pressure
24
Electrons have a mass of _________?
Practically 0
0.00000000001 g
A proton
1 amu
25
Is light a mixture or pure substance? (choose wisely)
Mixture
Neither
Pure substance
Both
26
Which group on the periodic table consists of elements that are all radioactive?
Actinides
Transition Metals
Lanthanides
Metalloids
27
Which of the following is a homogeneous mixture?
Fe(p)
Fe(g)
Fe(s)
Fe(aq)
28
If I were to absolutely destroy my chemistry homework (not recommended), would it be a physical or chemical change?
Both
Neither
Chemical
Physical
29
Which of the following is in scientific notation?
10.7 × 1026
9.76 × 100-27
3.1415 × 10-231956342625
0.5627 × 103
30
Deposition is the phase change from _________ to ________?
Solid, Gas
Gas, Solid
Plasma, Gas
Gas, Plasma
31
In a glass beaker, food coloring is slowly mixed into water with a pipette. What is the solvent?
Food Coloring
Pipette
Water
Beaker
32
How many significant figures would 1010 have?
3
Infinite
2
4
33
Ductility is an example of a _______ property?
Physical
Chemical
34
A duck with a mass of 100g and volume of 150ml is placed in a tub of water. Will the duck float or sink? Why?
It will float because it's density is less than water
It will float because it's density is more than water
It will sink because it's density is less than water
It will sink because it's density is more than water
35
What is true about a chemical with this warning label?
It is corrosive
It is slightly flammable
It is hazardous to your health
It is extremely reactive
36
Milk falls under which category of matter?
Colloid
Suspension
Compound
Solution
37
If I had a mixture of oil and water and I needed to separate them, what method would be most efficient?
Filtration
Evaporation
Magnetism
Decantation
38
If I were to test whether taller BASIS students have more A's than shorter BASIS students, what would the IV be?
How many BASIS students
Height of students
Average of 6Y's scores
Number of A's
39
Define isotopes.
Particles of nuclear radiation residing from the nucleus of the atom
The number of atomic mass an atom has
The different types of element on the periodic table; Oxygen, Hydrogen etc.
Atoms of the same element with a different number of neutrons
40
Bonus: Which of the following is an element that Marie Curie discovered?
Iridium
Polonium
Barium
Radon
41
Where does heat flow?
From hot to cold
From cold to hot
From cool to warm
From warm to cool
42
What charge is the core/nucleus of an atom?
Negative
Positive
0
Neutral
43
What of the following lab equipment would I use to heat a liquid?
Funnel
Burette
Beaker
Graduated Cylinder
44
What is the most reactive group on the periodic table?
Halogens
Noble Gases
Alkali Metals
Alkali Earth Metals
45
Which of the following is an example of a diatomic element?
Chlorine
Boron
Carbon
Sulfur
46
Who invented the 1
st
periodic table?
Alexander Dimitri
Dimitri Mendeleev
Henry Moseley
Isaac Newton
