Inside The Atom Question Preview (ID: 33051)
6th Grade.
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The atomic number of an atom is its number of __________.
a) protons
b) neutrons
c) electrons
d) ions
The smallest particles of an element that still have the element’s properties are
a) quarks
b) gluons
c) protons
d) atoms
Which statement is true about the nucleus of an atom?
a) It makes up most of the atom’s volume.
b) It makes up most of the atom’s mass.
c) It contains protons and electrons.
d) It is neutral in electric charge.
When a fluorine atom gains an electron, it becomes a(n)
a) positive ion
b) negative ion
c) cation
d) isotope
Which of the following are located in the nucleus of an atom?
a) proton
b) neutron
c) electron
d) proton and neutron
Which of the following orbits the nucleus of an atom?
a) proton
b) neutron
c) electron
d) none
Which of the following has almost no mass?
a) proton
b) neutron
c) electron
d) none
An atom with less electrons than protons is a(n)
a) positive ion
b) negative ion
c) isotope
d) element
How do you calculate the atomic mass of an atom?
a) protons + electrons
b) protons + neutrons
c) neutrons + electrons
d) protons + neutrons + electrons
A nitrogen atom has an atomic number of 7 and a mass number of 14. How many protons, neutrons, and electrons does it have?
a) 7 protons, 14 neutrons, 7 electrons
b) 14 protons, 7 neutrons, 7 electrons
c) 7 protons, 7 neutrons, 7 electrons
d) 7 protons, 7 neutrons, 14 electrons
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