Atomic Structure And Particles Test Question Preview (ID: 29088)


Use This Test To Review The Atomic Structure Of Atoms As Well As The Characteristics Of Their Individual Particles. TEACHERS: click here for quick copy question ID numbers.

The substance sodium is abundant in the ocean as an ion dissolved in water. In order for an atom to become an ion which of the following needs to occur?
a) Electrons are lost or gained.
b) Protons are lost or gained.
c) Neutrons are lost or gained.
d) Nucleons are lost or gained

If the mass number of an element is the total number of protons and neutrons located in the nucleus, how many protons does chlorine have if its atomic number is 17 and its mass number is 35?
a) 35
b) 18
c) 17
d) 0

The mass number of an element is the total number of protons and neutrons located in the nucleus. If carbon has an atomic number of 6 and a mass number of 12, how many neutrons does it contain?
a) 0
b) 6
c) 12
d) 18

Which of the following is the SMALLEST of the sub-atomic particles?
a) Proton
b) Neutron
c) Electron
d) Nucleon

Which of the following are most similar in mass?
a) Proton and electron
b) Proton and cation
c) Neutron and electron
d) Proton and neutron

The overall charge when an atom contains one proton and one neutron is
a) -1
b) 0
c) +1
d) +2

The overall charge on an atom with 2 electrons, 3 protons, and 3 neutrons is
a) -1
b) 0
c) +1
d) +2

The overall charge on a proton is
a) -1
b) +1
c) +2
d) 0

The overall charge on an electron is
a) +1
b) +2
c) 0
d) -1

The overall charge on a neutron is
a) +1
b) +2
c) 0
d) -1

The overall charge when one electron and one proton are present in an atom is
a) +1
b) +2
c) 0
d) -1

In the Bohr model of the atom, electrons are
a) located in the nucleus.
b) located in oval rings around the nucleus.
c) located in distinct orbitals around the nucleus.
d) located in a probability cloud around the nucleus.

Calcium (atomic number 40) is an element needed for the development of bones and teeth in humans. How many electrons does a neutral atom of calcium contain?
a) 0
b) 20
c) 40
d) 60

Cobalt (atomic number 27) is necessary for growth and is present in vitamin B12. The only naturally occurring isotope of the element cobalt has a mass number of 59. How many neutrons are in cobalt?
a) 86
b) 59
c) 32
d) 27

Protons and neutrons together are known as
a) Electrons
b) Protons
c) Neutrons
d) Atomic Mass

The number of protons in a neutral atom is equal to the number of
a) ions
b) isotopes
c) electrons
d) neutrons

Looking at a model of the atom, particles located within the nucleus that have a no charge are called
a) electrons
b) protons
c) neutrons
d) nucleons

Which of the following are transferred or shared when two atoms react chemically?
a) Electrons
b) Protons
c) Neutrons
d) Nucleons

Looking at a model of the atom, particles located within the nucleus that are positively charged are called
a) electrons
b) protons
c) neutrons
d) nucleons

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