WorksheetsAtoms
Total questions: 21
Worksheet time: 11mins
What are the correct charges of the subatomic particles?
p = positive, n = negative, e = neutral
p = negative, n = neutral, e = positive
p = positive, n = neutral, e = negative
p = neutral, n = negative, e = positive
Which 2 subatomic particles have the same mass?
proton and neutron
proton and electron
neutron and electron
Which subatomic particle is really small compared to the others and is outside of the nucleus?
Proton
Neutron
Electron
A version of an element that has a different # of NEUTRONS then the other versions.
Ion
Isotope
A version of an element that has lost or gained ELECTRONS.
Ion
Isotope
The atomic # of an element tells you the number of _________________ the element has.
Protons
Neutrons
Electrons
The atomic mass of an element is the ______________________ average of an elements natural isotopes.
Regular
Weighted
C -14....Isotope or Ion?
Ion
Isotope
C-14....What does the 14 represent?
Atomic #
Atomic Mass
Mass #
# of protons
Na+1....Isotope or Ion?
Ion
Isotope
The protons will always equal the electrons in what version of an element.
Ion
Isotope
What is the ATOMIC # of Li-7?
(a)
What is the ATOMIC MASS of Li-7
6.94
9.01
22.99
What is the MASS # of Li-7?
(a)
How many PROTONS does Li-7 have?
(a)
How many NEUTRONS does Li-7
(a)
How many ELECTRONS does Li-7 have?
(a)
What is the ATOMIC # of Na+1?
(a)
What is the ATOMIC MASS of Na+1?
22.99
23.99
24.99
25.99
How many PROTONS does Na+1 have?
(a)
How many ELECTRONS does Na+1 have?
(a)
