WorksheetsAtoms, elements, compounds, mixtures
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
T/F The electron is found furthest from the center of the atom.
a)
True
b)
False
2.
Which of the following subatomic particles is negatively charged?
a)
electrons
b)
protons
c)
photons
d)
neutrons
3.
T/F The atom can be described as a core of protons and neutrons surrounded by a cloud of electrons
a)
True
b)
False
4.
T/F Neutrons determines the identity of the element.
a)
True
b)
False
5.
What needs to happen to allow a compound to form?
a)
Two atoms of the same element chemically combine.
b)
Two atoms of different elements chemically combine
c)
Two atoms of the same element physically combine
d)
Two atoms of different elements physically combine
6.
T/F mixtures are made of up only one type of atom.
a)
True
b)
False
7.
What needs to occur in order for elements to form a compound?
a)
an elemental reaction
b)
an atomic reaction
c)
an electric reaction
d)
a chemical reaction
8.
Which of the following statements are true about molecules?
a)
they are made from two or more of the same type of atom
b)
They are made from two different type of atoms
c)
They are made from two or more types of mixtures
d)
they are made from only one single atom
9.
Which of the following is an example of an element?
a)
electron
b)
proton
c)
trailmix
d)
sulfur
10.
What are the two types of mixtures?
a)
elements and Subatomic Particles
b)
Protons and Electrons
c)
Atoms and Compounds
d)
Homogenous and Heterogeneous
11.
Saltwater is an example of which type of mixture?
a)
Homogeneous
b)
Heterogeneous
12.
Chocolate Chip Cookies would be classified as
a)
homogeneous mixture
b)
heterogeneous mixture
c)
element
d)
compound
13.
When two substances physically combine and appears different throughout is known as a
a)
homogeneous mixture
b)
heterogeneous mixture
c)
element
d)
compound
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