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Recent questions in Atomic Number
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(Picture in link) What element is this? / If this atom has the same number of neutrons as protons, what would be its atomic mass? / If you added another neutron, you would have a different _______________.
asked
May 17, 2023
in
Atomic Number
by
Maybach
+17
votes
0
answers
What element is number 10 in the periodic table?
asked
May 17, 2023
in
Atomic Number
by
BEF
(
3.7k
points)
+235
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0
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What do we mean by saying an element has a fixed number of atoms?
asked
May 17, 2023
in
Atomic Number
by
scunnered
(
2.1k
points)
+14
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0
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What will be the mass of atoms of Mg having the same number of atoms as there are in 54g of Al?
asked
May 16, 2023
in
Atomic Number
by
LunarWhisper
+17
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0
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How do you determine the number of atoms of O in 10.0 g of C₂H₆O ₂?
asked
May 16, 2023
in
Atomic Number
by
SolarisScribe
+12
votes
0
answers
How did scientists know practically the atomic number of atoms?
asked
May 16, 2023
in
Atomic Number
by
Telboy63
+98
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0
answers
Which has higher atomic number: mercury or lead?
asked
May 16, 2023
in
Atomic Number
by
SolarisOracle
+20
votes
0
answers
How do you calculate the number of atoms in the universe?
asked
May 16, 2023
in
Atomic Number
by
BillyBodger
+98
votes
0
answers
Can you draw a Venn diagram to show the similarities and differences between sodium and aluminum in terms of atomic number, number of electrons, element symbol, and type of ion?
asked
May 16, 2023
in
Atomic Number
by
NebulaCharm
+3
votes
0
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An element has atomic number 19. Where should you expect this element in the periodic table? Why?
asked
May 16, 2023
in
Atomic Number
by
LuminousSculptor
(
1.7k
points)
+117
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0
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How many elements and compounds and their atomic number and mass number I need to remember in 10th class?
asked
May 16, 2023
in
Atomic Number
by
amarok88
+21
votes
0
answers
What will happen to an atom's atomic number and mass if we add one electron to it?
asked
May 15, 2023
in
Atomic Number
by
CrystalSculptor
+112
votes
0
answers
What is the trend in atomic radius across a period?
asked
May 15, 2023
in
Atomic Number
by
Severntrent
+268
votes
0
answers
How do we actually know the number of protons in a nucleus/atomic numbers?
asked
May 14, 2023
in
Atomic Number
by
James Walthamstow
+122
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0
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Can you explain why the atomic mass of an element is greater than its proton number?
asked
May 14, 2023
in
Atomic Number
by
CrystalPulse
+9
votes
0
answers
What is the atomic number of an atom that contains 92 protons, 92 electrons and 143 neutrons?
asked
May 14, 2023
in
Atomic Number
by
NovaCharm
+85
votes
0
answers
Why does a helium nucleus contain no neutrons at all even though its atomic number is two more than its mass number?
asked
May 14, 2023
in
Atomic Number
by
Vornie181
0
votes
0
answers
What is the maximum number of atoms that can exist within a molecule?
asked
May 14, 2023
in
Atomic Number
by
shouldbeplayinggolf
+25
votes
0
answers
Which is the highest atomic number of element detected in laboratories?
asked
May 13, 2023
in
Atomic Number
by
abusemanage
+26
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0
answers
What does an atomic number represent?
asked
May 13, 2023
in
Atomic Number
by
decky
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