Matter And Atomic Structure Question Preview (ID: 52516)
Elements, Compounds, Mixtures
Atomic Structure.
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When an atom loses/gains an electron, it becomes an
a) ion
b) isotope
c) new element
d) a compound
When an atom gains an electron, it becomes a
a) new element
b) positive ion
c) negative ion
d) neutral ion
What kind of bond is present in a compound?
a) physical
b) identity
c) ionic
d) chemical
What are the two main types of mixtures?
a) homogeneous and elements
b) homogeneous and heterogeneous
c) heterogeneous and protons
d) electrons and neutrons
What are the two types of pure substances?
a) elements and compounds
b) heterogeneous and homogeneous
c) proton and neutron
d) electrons and atoms
Which of the following is a subatomic particle with a POSITIVE charge?
a) neutron
b) ion
c) proton
d) electron
Where are electrons located in an atom?
a) electron cloud
b) nucleus
c) in a proton
d) in a neutron
What two subatomic particles make up the mass of an atom?
a) electrons and protons
b) neutrons and protons
c) electrons and neutrons
d) ions and isotopes
A solution is which type of mixture?
a) heterogeneous
b) compund
c) element
d) homogeneous
Which of the following gives the atom its atomic number?
a) proton
b) neutron
c) electron
d) isotope
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