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Recent questions in Atomic Number
+3
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0
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What is the atomic number of palladium?
asked
Feb 15, 2023
in
Atomic Number
by
Dazza101
+117
votes
0
answers
Why does atomic radius generally decrease from left to right across a period, even though atomic number increases?
asked
Feb 14, 2023
in
Atomic Number
by
Mikehughes88
+18
votes
0
answers
How do we list the following atoms in order of decreasing atomic radii (list the largest first) 50Sn, 37Rb, 53I, and 55Cs?
asked
Feb 14, 2023
in
Atomic Number
by
Karen 2
+62
votes
0
answers
Can an atom have an atomic number of a Graham's number?
asked
Feb 14, 2023
in
Atomic Number
by
SolarisDreamer
+117
votes
0
answers
What is the atomic number of barium?
asked
Feb 14, 2023
in
Atomic Number
by
VelvetDreamer
+3
votes
0
answers
A textbook has this question: What is the atomic number of an element that contains atoms which have 4 unpaired e- in their ground state? I chose 22 as the answer. The correct option was 26. Why so, if both Ti and Fe have 4 e- in their 3D subshells?
asked
Feb 14, 2023
in
Atomic Number
by
NebulaSorcerer
+19
votes
0
answers
Where is the atomic number of an element located on the periodic table?
asked
Feb 14, 2023
in
Atomic Number
by
The Ancient One
+14
votes
0
answers
What radioactive element has the lowest atomic number?
asked
Feb 14, 2023
in
Atomic Number
by
Kelsey
(
2.4k
points)
+296
votes
0
answers
The atomic number of oxygen is 8. What is the mass number of an oxygen atom with 7 neutrons?
asked
Feb 13, 2023
in
Atomic Number
by
Boyd761
+21
votes
0
answers
How do you calculate the number of Mg atoms in 20 g MgSO4?
asked
Feb 13, 2023
in
Atomic Number
by
freddy198
+17
votes
0
answers
Why are 82 and 126 magic numbers for nuclides?
asked
Feb 13, 2023
in
Atomic Number
by
sweeneyuk
+6
votes
0
answers
If a cation with 4+ charge has 23 neutrons and 18 electrons, what is the element? Look for the atomic mass, atomic number, and proton.
asked
Feb 13, 2023
in
Atomic Number
by
davnav
+192
votes
0
answers
What is the element with the highest electronegativity? Why does it have this property even though it has a lower atomic number than some other elements?
asked
Feb 13, 2023
in
Atomic Number
by
Rozza2021
+290
votes
0
answers
What is the composition of Red Mercury? What is its atomic number, mass number, and symbol in chemistry?
asked
Feb 13, 2023
in
Atomic Number
by
otto.uk
+198
votes
0
answers
What is the element with the lowest atomic number? Why is it important for us to know about this element? What are its uses?
asked
Feb 13, 2023
in
Atomic Number
by
brush-head
+8
votes
0
answers
What is the atomic mass number of an isotope that has an atomic number 5 and includes 6 neutrons?
asked
Feb 13, 2023
in
Atomic Number
by
EmberCharm
+296
votes
0
answers
Can you explain the difference between a proton number, an atomic number and an element?
asked
Feb 13, 2023
in
Atomic Number
by
SolarisHorizon
+6
votes
0
answers
Is the atomic number always consecutive in the periodic table from left to right?
asked
Feb 13, 2023
in
Atomic Number
by
britishblue
+159
votes
0
answers
What is the atomic formula of gold?
asked
Feb 13, 2023
in
Atomic Number
by
clarksy
+15
votes
0
answers
Does the mass number have to be a whole number while in most circumstances atomic number is not a whole number?
asked
Feb 12, 2023
in
Atomic Number
by
NebulaFlare
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