Worksheets5th Assessment E38-E43
Total questions: 20
Worksheet time: 10mins
If an atom has an overall positive charge, what does that mean?
the atom has a neutral charge
The atom has more protons
The atom has more electrons
the atom has more neutrons
What do we call a substance with only one kind of atom?
atom
molecule
element
chemicals
What do we call a substance that is made of 2 or more atoms linked together?
molecule
atoms
compounds
oxygen
what does the atomic number of an element represent?
the number of neutrons
the number of electrons
the number of atoms
the number of protons
what is luster?
shininess
malleable
smooth
ductile
What is ductile?
can be hammered or rolled into thin sheets
to transfer electricity
can be formed into wires
the shininess of an object
All of the following are properties of metals EXCEPT?
malleable
conductor
ductile
heat
An atoms atomic number is based on how many electrons it has?
True
False
Water is made up of Hydrogen and Oxygen atoms. This means?
Water is dry
Water is an element
Water is a molecule
Water is an atom
Where are the electrons of an atom found?
in the center
in the nucleus
the outside of the nucleus
on the nucleus
All of the following are subatomic particles EXCEPT?
nucleus
neutron
electron
proton
Iron has an atomic number of 26. This means?
it has 26 molecules
it has 26 neutrons
it has 26 electrons
it has 26 protons
An electron has a positive charge.
True
False
An electron has a negative charge.
True
False
A neutron has a positive charge.
True
False
Oxygen has an atomic number of 18 and Sodium has an atomic number of 11. What is the difference?
the number of protons
the number of electrons
the number of elements
the number of neutrons
Which particles are located in the nucleus of an atom?
electron and proton
electron and neutron
proton and neutron
proton and electron
