Atoms Question Preview (ID: 49449)


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The atomic number tells you the
a) the number of neutrons
b) the mass of an atom of that element
c) number of protons in an atom of that element
d) the number of protons plus the number of neutrons in an atom of that element

The atomic mass tells you
a) the number of neutrons in an atom of that element
b) the number of protons in an atom of that element
c) the number of electrons in an atom of that element
d) the number of protons plus the number of neutrons in an atom of that element

The number of electrons in an atom is equal to
a) the number of protons in an atom of that element
b) the atomic mass
c) the number of neutrons in an atom of that element
d) the number of protons plus the number of neutrons in an atom of that element

Which element has 26 protons in its nucleus?
a) Magnesium
b) Silicon
c) Aluminum
d) Iron

Which element usually has 10 neutrons in its nucleus?
a) Aluminum
b) Fluorine
c) Beryllium
d) Sulfur

What is an isotope?
a) It has the same number of neutrons but different number of electrons
b) It has the same number of protons but different number of neutrons
c) It has the same number of protons but different number of electrons
d) It has the same number of neutrons but different number of protons

Which element has 29 electrons?
a) Phosphorus
b) Aluminum
c) Silicon
d) Copper

Which element has 5 fewer protons than Manganese (Mn)?
a) Calcium
b) Nitrogen
c) Zinc
d) Argon

Which element usually has 12 neutrons in its nucleus?
a) Oxygen
b) Carbon
c) Magnesium
d) Arsenic

This element has four more protons than Phosphorus (P)
a) Potassium
b) Sodium
c) Argon
d) Selenium

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