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Atomic Structure
Page 8
Questions (4,346)
The atomic radii of Mg2+ and F-1 ions are 0.072 and 0.133 nm, respectively. (a) Calculate the force of attraction between these
3 answers
asked by
Eflatun
1,616 views
How many electrons can have the quantum numbers n=4; l=2; ml=2 in an atom?
3 answers
asked by
Monika
849 views
How many Al atoms thick is the aluminum foil if it is 0.00157cm thick.
1 Al atom = 286pm Convert pm to m 286pm = 2.86*10^-10m
4 answers
asked by
John
4,378 views
Where do you find the atoms with the largest atomic radius on the periodic table?(1 point)
Responses the bottom left corner the
2 answers
asked by
blu
106 views
An electron drops from the fourth energy level, in an atom to the third level and then to the first level. Two frequencies of
1 answer
asked by
Jarrad Schomaker
853 views
Why is carbon said to provide a “backbone” in many molecules?(1 point)
Carbon atoms have full shells of electrons, allowing
4 answers
asked by
Mark
793 views
One reason carbon monoxide (CO) is toxic in that it bind to the blood protein hemoglobin more
strongly than oxygen does. The
2 answers
asked by
Johannie
546 views
The radius of a hydrogen atom is 0.0000000529177 of a millimeter. Express this number as an approximation.(1 point)
Responses
28 answers
asked by
Anonymus
329 views
1. The mass number of an atom is obtained by totaling the number of_____and____.
a. electrons and protons b. electron and
17 answers
asked by
Ember Lovet
2,002 views
Potassium’s atomic number is 19, and its atomic mass is approximately 39. How many neutrons does potassium have?(1 point)
Respo
2 answers
asked anonymously
92 views
what is an atom
4 answers
asked by
h
370 views
Which statement correctly compares the number of protons and electrons in atoms of rubidium (Rb) and calcium (Ca)?
(1 point)
2 answers
asked anonymously
188 views
The volume of a single niobium atom is 9.46E-24 cm3. What is the volume of a niobium atom in microliters?
5 answers
asked by
love
2,751 views
Check answers?
1) Why did J.J. Thomson reason that electrons must be a part of the atoms of all elements? A) Cathode rays are
2 answers
asked by
Mary
815 views
How many core electrons are there in a ground state phosphorus atom?
4 answers
asked by
Ena
1,469 views
Indium has two naturally occurring isotopes and an atomic mass of 114.818 amu. In- 113 has a mass of 112.904 amu and an
4 answers
asked by
Jennifer
3,883 views
how many electrons are found in the electron cloud of an atom whose K,L and M shells are full?
3 answers
asked by
Anonymous
547 views
which of the following molecules shows two atoms of hydrogen (H)?
4 answers
asked by
Anonymous
378 views
Which change is likely to happen to an atom of the element strontium (Sr) during bonding?
It will give up electrons, forming a
5 answers
asked by
Fa11enAnge106
2,216 views
The volume of an atom is determined by the size of its electron ______ (5 letters).
My answer: shell
5 answers
asked by
TigerLily
1,789 views
identify the mass number and atomic number of a chlorine atom that has 17 protons and 18 neutrons?
5 answers
asked by
monek
4,163 views
Elemental chlorine exists as a diatomic molecule Cl2.
Chlorine atoms exist in two different isotopes 35Cl and 37Cl. In the mass
4 answers
asked by
Anonymous
1,376 views
Here is the problem
A typical atom has a diameter of about 1.0 X 10^-10m. What it is in inches? How many atoms are there along a
3 answers
asked by
ZneedHeLP
2,222 views
What element has 7 Valence Electron and 3 energy levels?
4 answers
asked by
ineedhelp
2,865 views
what mass of protons would be required to just neutralize the charge of 1.0g of electrons?
how do I answer this? You know the
5 answers
asked by
Chris
7,032 views
if an atom has 17 electrons and its mass number is 35, calculate the following: number of protons, atomic number, and number of
4 answers
asked by
Sam
3,668 views
If a oxygen ion has 8 proton and 6 electrons what is the charg coulombs
4 answers
asked by
Lizwi
1,511 views
How many total atoms in (NH4)2cro4
4 answers
asked by
Telayvion
3,026 views
Each water molecule is made up of two hydrogen atoms and one _______ atom.
4 answers
asked by
Olivia
1,729 views
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom?
4 answers
asked by
Martin
1,853 views
Describe why atoms of bromine, Br, are so reactive. To which family does bromine belong.
4 answers
asked by
Jameisha
1,912 views
An electron in a certain atom is in the n = 2 quantum level. List the possible
values of (cursive L). And for each value of
4 answers
asked by
John
3,178 views
What is the atomic number of oxygen?
41 answers
asked by
?
52 views
Which element would have a full outer shell of electrons if it gained three electrons?
boron lithium nitrogen argon THIS ONE
7 answers
asked by
ENNA
4,762 views
1. An atom has 3 protons, 4 neutrons, and 3 electrons. Use the periodic table to determine which atom would have similar
7 answers
asked by
Naruto's Ramen
7,088 views
a) How many moles of atoms are in 7.00 g of 13C?
Answer "0.538" mol 13C b) Based on your answer in Part A, calculate the number
5 answers
asked by
katie
11,838 views
Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron
5 answers
asked by
Kim
16,393 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a
6 answers
asked by
Anonymous
24,872 views
iridium has two isotopes. with mass numbers 191 and 193, and its average relative atomic mass is 192.23.calculate the relative
5 answers
asked by
daanyaal
9,866 views
According to the quantum-mechanical model for the hydrogen atom, which of the following transitions would produce light with
4 answers
asked by
Sue
12,831 views
How many moles of gold atoms do 3.45 x 10^24 gold atoms constitute.
This is what I did 3.45 x 10^24 x 1 / 6.022 x 10^23 = 573 am
5 answers
asked by
Monique
7,948 views
Which neutral atoms have the following electron configurations in either a ground state or excited state? Enter the name or
5 answers
asked by
Jordan
6,634 views
Given the shell model of the atom, suggest a possible reason that Lewis proposed a maximum of two electrons for hydrogen and a
5 answers
asked by
Anonymous
3,749 views
Determine which H atom transition(iinitital, nfinal) was responsible for the absorption of a photon with a frequency of 4.57 x
4 answers
asked by
Jiszka
2,453 views
What is electron configuration of Bi5+?
5 answers
asked by
Anonymous
5,966 views
A sample of propane(c3h8)has 3.84x10^24 H atoms.
a) how many carbon atoms does the sample contain? b) what is the total mass of
7 answers
asked by
Jessica
9,139 views
How many electrons and how many protons are in the ion Cr6+?
5 answers
asked by
Jenna
5,098 views
In which orbital does an electron in a phosphorus atom experience the greatest effective nuclear charge?
a. 1s b. 2s c. 2p d. 3s
7 answers
asked by
C.
10,947 views
The first principle energy level is called the:
A Principle one state B Ground state C Atomic state D Hund’s state B?
4 answers
asked by
Anonymous
2,768 views
Rank the following atoms in terms of decreasing atomic radius.
1. Na, N, O, Mg, F 2. F, O, N, Mg, Na 3. F, Mg, Na, O, N 4. Na,
5 answers
asked by
Bob
6,257 views
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