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Worksheets6th gr Matter and Atoms
Total questions: 31
Worksheet time: 3hrs 35mins
Which is a substance?
fruit salad
granola cereal
spaghetti
table salt
The smallest particle of an element that maintains the properties of that element.
neutron
molecule
atom
electron
The number of protons in the nucleus of an atom; used to determine an element's position in the Periodic Table.
subatomic particle
electrical charge
atomic number
electron cloud
A characteristic of a substance that describes how it combines with other substances to form new ones.
atomic mass
physical property
electrical charge
chemical property
A negatively charged particle in the electron cloud surrounding the atomic nucleus.
electron
period
proton
neutron
The negatively charged space containing electrons that surrounds the atomic nucleus.
atom
atomic mass
electron cloud
nucleus
A pure substance that cannot be broken down chemically into simpler substances.
element
proton
nucleus
electron
A neutral particle with no electrical charge within the atomic nucleus.
neutron
proton
group
electron
The positively charged center of an atom containing the protons and neutrons
period
electron cloud
subatomic particle
nucleus
A conceptual model in which the elements are organized according to their properties; often displayed as a chart.
electron cloud
nucleus
Periodic Table
valence electrons
The property of matter that can be observed without changing the composition or identity of the matter.
electrical charge
chemical property
atomic mass
physical property
A positively charged particle within the atomic nucleus; used to identify an element.
element
proton
neutron
electron
Which subatomic particle has a POSITIVE charge?
electron
neutron
proton
Which 2 subatomic particles are in the NUCLEUS?
protons and nucleus
protons and electrons
neutrons and electrons
protons and neutrons
A substance made of only one kind of atom--
element
negative charge
proton
electron cloud
A neutron does not have a charge.
True
False
What color are the electrons?
orange
blue
This is a picture of an --
neutron
element
molecule
atom
Which is a property of all atoms?
more electrons than protons
a nucleus with a positive charge
a positively charged electron cloud
same number of protons as neutrons
Which is another name for a solution?
element
compound
heterogeneous mixture
homogeneous mixture
What would you most likely be able to separate into its parts by filtering?
heterogeneous mixture of two liquids
heterogeneous mixture of two solids
homogeneous mixture of two liquids
homegeneous mixture of two solids
Where is most of the mass of an atom stored?
in the electrons
in the neutrons
in the nucleus
in the protons
Which best describes an electron cloud?
an area of charged particles with a fixed boundary
electrons on a fixed path around the nucleus
mostly empty space with tiny charged particles in it
a solid mass of charge around the nucleus
How many protons and neutrons are visible in the atom?
5 protons 3 neutrons
5 protons 5 neutrons
3 protons 5 neutrons
Which class of matter is the least evenly mixed?
compounds
heterogeneous mixtures
homogeneous mixtures
solutions
How would you separate a mixture of stone and wooden beads that are all the same size?
add water to the mixture and skim off the wooden beads, which float
Heat the mixture until the stone beads melt
strain the mixture to separate out the stone beads
Use a magnet to pull out the wooden beads
