stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chemistry in Everyday Life Flashcards | StudBud
Explore
/
Chemistry in Everyday Life
Chemistry in Everyday Life
23 terms
·
StudBud Administration
·
23 plays
Chemistry as a Science and Atomic Theory Review
Flashcards
23 cards
F
Practice quiz
P
Host live
L
Questions
23
Answers
1
The ground state electron configuration for sodium is
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6.
1s2 2s2 2p6 3s1
2
Which of the following can be broken down into simpler substance?
CO
F
Se
Mg
3
Germanium was discovered in 1886. Its existence had been predicted by Mendeleev. True or False
False
True
4
Which of the following represents a compound?
Mn
CO2
Co
Na
5
Ions are:
neutrons
electrodes
charged atoms
electrons
6
H20 and H2O2 are composed of H and O law of multiple proportion
True
False
7
Which of the following was
NOT
a result of alchemy?
Alchemists developed techniques still used today
Many new chemicals were discovered
Alchemists learned to purify substances
The philosopher's stone and the elixir of life
8
Mendeleev's periodic system is emphasizing on
Melting point
Leaving no holes in it
Atomic number
Similar properties
9
Which of the following does NOT involve chemistry?
All of the above involve chemistry.
burning of a forest
creating materials for computers from rare elements
glycolysis – burning sugar into energy
10
Which science is primarily concerned with the study of matter and changes it undergoes?
Chemistry
Psychology
Geology
Biology
11
On Mars gravity is one-third the Earth. On Mars mass of 90 kilograms (kg) on Earth is
Same, 90 kg
270 kg
30 kg
180 kg
12
Which element is in the same period as neon?
Ar
Na
Br
F
13
An f sublevel can hold a maximum of
10 electrons
6 electrons
14 electrons
2 electrons
14
Who discovered the electron first?
Plank
Rutherford
Goldstein
J.J. Thompson
15
The amount of aluminum on Earth today relative to 100 years ago is
It is increasing due to mining
Essentially the same
Is decreasing rapidly due to soda cans production
Is decreasing slowly
16
Science is tentative, explanatory, and
unpredictable
testable
absolute
mystical
17
Which of the following is not explained by Dalton atomic theory?
The difference between isotopes of an element
Law of multiple proportion
The difference between element and compound
Law of conservation of mass
18
Which of the following is a
chemical
property?
Honey becomes solid in the fridge
Sugar dissolves in water
Gasoline and oil mix
Potassium reacts with water to form potassium hydroxide
19
A stream of electrons in a magnetic field would
be stopped
be unchanged
be deflected toward the negative electrode
be deflected toward the positive electrode
20
A mixture of 50 g C and 75 g of O2 is sealed in a 120 g flask. Heated to form CO2. Mass is:
170 g
195 g
125 g
245 g
21
Which of the following is an example of green chemistry?
Using lead as a plasticizer
New technologies that require rare elements
New coal-fired plants
Using elements abundant in the earth's crust
22
Democritus and Leucipus proposed the first atomic view of matter based on:
Many experiments
Philosophical and intuitive speculation
All of the above
Careful measurements
23
Which of the following types of electromagnetic radiation is emitted from unstable elements?
gamma rays
radio waves
microwaves
visible light
