Chemistry Question Preview (ID: 33259)
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Which element contains 9 protons?
a) Beryllium
b) Fluorine
c) Iron
d) Lithium
If Aluminum has an atomic number of 13 and has 14 nuetrons, what is it's mass?
a) 25
b) 13
c) 32
d) 27
What is the chemical symbol for Chlorine?
a) C
b) Cl
c) Sn
d) Ch
How many neutrons does an atom of Hydrogen contain?
a) 1
b) 0
c) 2
d) 1.00794
Isotopes of an element have the same number of , but a different number of
a) Electrons, Protons
b) Protons, Electrons
c) Neutrons, Protons
d) Protons, Neutrons
Which of the following has the least amount of mass?
a) Proton
b) Neutron
c) Electron
d) Nucleus
Which atom contains the most mass?
a) C
b) Cu
c) N
d) Ar
Which element is located in period one?
a) Lithium
b) Nitrogen
c) Helium
d) Chlorine
How many neutrons does an atom of lead contain?
a) 82
b) 125
c) 207
d) 207.19
Which statement about an element’s average atomic mass is correct?
a) The more isotopes of a given element, the higher the average atomic mass
b) It is calculated by taking the average atomic number of a given element
c) The atomic number is always larger than the average atomic mass
d) It is a weighted average, so abundant isotopes have a greater effect than uncommon ones
The atomic number...
a) States how many neutrons are in the nucleus
b) Orbits the nucleus
c) Is the average mass of the element
d) Is the same as the number of protons in an atom of that element
The charge and relative mass number of a neutron are...
a) +1 charge, 1 mass
b) 0 charge, 1 mass
c) -1 charge, 0 mass
d) -1 charge, 1 mass
Which nuclear process describes a large nucleus separating into smaller fragments?
a) Fission
b) Fusion
c) Alpha Decay
d) Beta Decay
What is the atomic number of Na?
a) 11
b) 23
c) 22.998
d) 12
How many electrons surround the nucleus of an atom of Nickel?
a) 58
b) 58.70
c) 28
d) 30
Protons....
a) Are negatively charged
b) Orbit the nucleus
c) Are positively charged
d) Have less mass than electrons
How many neutrons are in an atom of Beryllium?
a) 4
b) 13
c) 5
d) 9
What is the chemical symbol for Hydrogen?
a) He
b) H
c) Hg
d) Hd
How many electrons are in a stable atom of Neon?
a) 10
b) 20
c) 21
d) 30
How many protons are in an atom of Carbon?
a) 12
b) 6
c) 12.0115
d) 11
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