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elements, atoms, mixtures, and compounds Flashcards | StudBud
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elements, atoms, mixtures, and compounds
elements, atoms, mixtures, and compounds
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questions contained for atoms, molecules, compounds, elements and mixtures
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1
Which of the following substances can be separated into several elements?
air
zinc
nitrogen
aluminum
2
Identify the following model
NH
NH3
N3H
(NH)3
3
This picture best represents what ?
a compound
stuff
a molecule
plastic
4
combination of 2 or more substances not chemically combined, keeping their own properties is a
mixture
Taco Supreme
alloy
compound
5
A small particle in the nucleus of the atom, with no electrical charge or a neutral charge is a
neutron
energy shell
proton
electron
6
What is the smallest unit of an element that still has the properties of that element?
a molecule
an atom
a compound
an electron
7
A substance made of two or more elements chemically combined in a specific ratio or proportion.
Compound
Atom
Element
Mixture
8
This number in the picture below is called?
The Atomic Mass
The Atomic number
the number or neutrons
the order in which the element was discovered.
9
Which choice represents this model?
HO
CO2
H2O
HO2
10
An arrangement of the elements showing the repeating pattern of their properties is the
Atomic Mass
Periodic Table of Elements
quantum theory
ball and stick model
11
The picture most represents a
a compound
element
electron
molecule
12
The positively charged particle in an atom's nucleus is the_____________
electron
proton
quark
neutron
13
Matter exists as mixtures, solutions,_________ or compounds.
dark matter
atoms
elements
photos
14
Which of the following do water (H2O), rust (Fe2O3), and salt (NaCl) have in common?
Water, rust, and salt are elements.
Water, rust, and salt are mixtures.
Water, rust, and salt are atoms.
Water, rust, and salt are compounds.
15
The arrow is pointing to what?
The atomic Mass
The atomic number
The price for a cheeseburger at Burger King
The element symbol
16
This image is an example of a
radioactive bunny poop
Sugar
molecule
Mixture
17
The arrow indicates what in the image?
The initials of the guy who discovered it.
The opposite of She
The Element symbol.
The atomic mass
18
Which of the following is a pure substances.
solution
cheetos
mixtures
elements
19
This model of an atom is also known as a ?
Lewis Dot model
The Electron model
Bohr Model
Nuclear diagram
