Worksheetsatomic structure
Total questions: 20
Worksheet time: 11mins
where is the nucleus located in an atom ?
on the electron cloud
in the proton
in the center
true or false
neutrons have a negative charge
true
false
how many electrons can the first energy level hold ?
8
2
4
1
what measurement do we use to weigh atoms ?
amu (atomic mass unit)
grams
pounds
kilogram
whats the mass of an electron ?
4 amu
0 amu
1 amu
8 amu
where are electrons located ?
in the nucleas
in the center
electron cloud
protons have a positive charge.
true
false
what determines the number of protons and electrons ?
the symbol
the atomic number
the atomic mass
electrons
how can you solve for the number of neutrons in an atom ?
mass - atomic number
mass - electrons
atomic number + electrons
protons + electrons
protons + neutrons equal...
atomic number
atomic mass
the element
electrons
electrons have a negative charge
true
false
_______ and ________ are located in the nucleus
electrons
neutrons
valence electrons
protons
whats the atomic number ?
14
7
14.007
whats the atomic mass of nitrogen ? (theres two correct answers)
7
14
14.007
what does d represent ?
atomic number
atomic mass
symbol
element
what does b represent ?
atomic mass
atomic number
symbol
element
what does c represent ?
element
atomic number
symbol
atomic mass
what does a represent ?
atomic mass
atomic number
the element
the symbol
valence electrons are like the leftovers that are on the last energy level
true
false
how many protons are in the element carbon ?
12
12.01
doesnt show
6
