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Recent questions in Atomic Number
+11
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0
answers
What is the number of atoms in 20 g of CaCO3 approximately?
asked
Nov 19, 2022
in
Atomic Number
by
Camels
+16
votes
0
answers
What determines an element's identity: the number of protons, the atomic number, or both?
asked
Nov 18, 2022
in
Atomic Number
by
pangy
+87
votes
0
answers
What is the difference between an element's atomic number and the number of atoms it has?
asked
Nov 18, 2022
in
Atomic Number
by
Pink Panther
+2
votes
0
answers
The element with the atomic number of 15 has an atomic mass of 30, how many neutrons are found in this atom?
asked
Nov 17, 2022
in
Atomic Number
by
MowdieWark
+26
votes
0
answers
What happens when protons or neutrons are added to an atom? Does the atomic number or mass change?
asked
Nov 16, 2022
in
Atomic Number
by
LuminousOracle
+4
votes
0
answers
What is the reason that the sum of protons + electrons + neutrons equals the atomic number (Z)?
asked
Nov 16, 2022
in
Atomic Number
by
QuantumSeeker
+280
votes
0
answers
What is the number of oxygen atoms in 88.0g of CO2 ? And how is this calculated?
asked
Nov 15, 2022
in
Atomic Number
by
sparky
+20
votes
0
answers
Why is the atomic mass not a whole number?
asked
Nov 14, 2022
in
Atomic Number
by
Nilaus
+15
votes
0
answers
How is the average atomic mass different from the mass number?
asked
Nov 14, 2022
in
Atomic Number
by
diysarah
+29
votes
0
answers
What is the first element with an atomic number greater than 100?
asked
Nov 12, 2022
in
Atomic Number
by
crackedwolf
+2
votes
0
answers
What are the atomic weights of neon and magnesium?
asked
Nov 12, 2022
in
Atomic Number
by
D4T4
+21
votes
0
answers
What element has a mass number of 230?
asked
Nov 11, 2022
in
Atomic Number
by
AstralWhirl
+121
votes
0
answers
How many elements have an atomic number of 4?
asked
Nov 11, 2022
in
Atomic Number
by
EmberTwilight
+10
votes
0
answers
What is gold's mass number?
asked
Nov 10, 2022
in
Atomic Number
by
EmberCharm
+103
votes
0
answers
How can the fact that the beta particle is a mass-less particle with atomic number -1 be proved?
asked
Nov 10, 2022
in
Atomic Number
by
T_Mayo
+4
votes
0
answers
What is the difference between the atomic number and the sum of protons and neutrons?
asked
Oct 20, 2022
in
Atomic Number
by
Hfs
(
3.2k
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+8
votes
0
answers
Technetium is the first element made artificially. What is its atomic number and weight?
asked
Oct 20, 2022
in
Atomic Number
by
Mancone
+5
votes
0
answers
Is it possible to change the mass of an atom's nucleus without changing its atomic number and element name?
asked
Oct 20, 2022
in
Atomic Number
by
Dazza101
+15
votes
0
answers
I study in class 9 Lahore Pakistan. What elements' atomic and mass number should I learn in chemistry subject?
asked
Oct 20, 2022
in
Atomic Number
by
Squashrobinson
+17
votes
0
answers
Why are atomic weight and molecular weight considered a dimensionless number?
asked
Oct 19, 2022
in
Atomic Number
by
btiw
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