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Atoms, elements, bonding etc Flashcards | StudBud
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Atoms, elements, bonding etc
Atoms, elements, bonding etc
18 terms
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Biochemistry #biology #chemistry
Flashcards
18 cards
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Questions
18
Answers
1
formula for
carbon dioxide
is:
C2O
C2O2
CO
CO2
2
What kind of bonding is this compound displaying? (
electrical attraction
)
ionic
covalent
3
Chemistry is the study of ______________.
stars
matter
psuedoscience
life
4
An
ionic
bond is formed when two atoms
SHARE electrons
true
false
5
The nucleus contains __________?
protons & neutrons
electrons
protons & electrons
energy levels
6
Atoms are the building blocks of matter.
False
True
7
What kind of bonding is this compound displaying? (
sharing electrons
)
covalent
ionic
8
Elements are made of pure substances and cannot be broken down into a simplier substance.
True
False
9
Neutrons have ________ charge.
a positive
no charge
a negative
10
Protons have ________ charge.
no charge
a positive
a negative
11
What particles are
outside
the nucleus of an atom?
element
neutron
proton
electrons
12
Elements
are pure substances that
cannot
be broken down by chemical/physical means.
False
True
13
A
covalent bond
is formed when two atoms
SHARE electrons.
T or F
True
False
14
An isotope is: atoms with different number of_________?
neutrons
protons
15
What is the chemical formula for
water
?
H2O2
NaCl
H2
H2O
16
Electrons have ________ charge.
a negative
no charge
a positive
17
A
compound
is when 2 or more elements combine together.
False
True
18
Matter
is anything that has
mass
& takes up space.
True
False
