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Chemistry Flashcards | StudBud
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Chemistry
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#chemistry
Flashcards
21 cards
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Questions
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Answers
1
WHICH ELEMENT IS NOT A NOBLE GAS
Xe
Kr
Li
Ne
2
Matter is
Anything that has mass and takes up space
Anything that involves science
Any type of energy
Anything that is living
3
Electrons are positively charged
False
True
4
Which of the following is not an example of a compound
Salt
Water
Gold
Baking soda
5
Which of the following is an example of a heterogeneous mixture?
Vinegar
Steel
Water
Italian dressing
6
Dimitri Mendeleev was a Russian Botanist that identified the algae of ponds:)
False
True
7
Robert Boyle was a believer in Christ.
True
False
8
A mixture is defined as
Different substance that are not chemically joined
Anything that is highly flammable
A variable
Anything that has density
9
Which of the following is an example of an element?
Sand
Air
Mercury
Water
10
The study of chemistry is
Substances and elements
Animals
Plants
Earths atomosphere
11
Boyle defined elements, compounds and mixtures
True
False
12
A hypothesis is
A model
A variable
A law
Purposed explanation made on limited evidence and needs further investigati
13
S is the abbreviation for which element
Sulfur
Stress
Strontium
Silicon
14
The least reactive elements are
Halogens
Lanthanides
Alkali metals
Noble gases
15
P for Physical change and C for Chemical change: Burning
P
C
Why is this a question
I don’t know
16
All atoms are the same
True
False
17
I will get an A on my mid-term test for chem
Absolutely
Maybe
If I study
No way
18
Evaporating: C or P
I really don’t know
C
This is the right one
P
19
A model in science is
A category of chem
An explanation
Physical or conceptual representation of a system of ideas, or processes
20
When using the Bunsen burner you should always tie long hair back
False
True
21
Dissolving: C or P
P
None of the above
It’s C and P
C
