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Atomic Structure
Page 7
Questions (4,407)
The radius of a niobium atom is 131 pm. How many niobium atoms would have to be laid side by side to span a distance of 1.4 mm??
4 answers
asked by
Hannah
2,658 views
According to the octet rule, if an atom has fewer than 8 electrons in the outer most energy level, what is likely to happen?(1
2 answers
asked anonymously
152 views
Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1.
A. What is the symbol for
4 answers
asked by
Kristen
2,853 views
Cobalt has a mass number of 59 and an atomic number of 27. A student wants to create a model of a cobalt atom. Which statement
12 answers
asked by
haha
8,639 views
1.Which of the following best describes an atom?
A protons and electrons grouped together in a random pattern B protons and
17 answers
asked by
queen bee
8,627 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 by
blu
134 views
What is the atomic number of an atom?(1 point)
A. the number of particles outside the nucleus B. the number of particles in the
7 answers
asked by
candy
1,963 views
Copper has a unit cell volume of (47.453 A^3) and a face centered unit cell. How would I go about finding the volume of atoms
5 answers
asked by
CHeM
1,324 views
true or false in an atom, negatively charged electrons surround a positively charged nucleus
4 answers
asked by
Dallas
1,412 views
What does the atomic number tell us about an atom?
A) The atomic number tells us how many protons and neutrons are in an atom or
1 answer
asked by
Destiny
241 views
Five lines in the H atom spectrum have the following wavelengths in Ǻ: a). 1212.7, b). 4340.5, c).
4861.3 d). 6562.8 and e).
9 answers
asked by
Samantha
4,076 views
Which element does not have the same number of electrons in its outermost shell as the other elements in its group?(1 point)
Resp
2 answers
asked by
blu
120 views
Potassium’s atomic number is 19, and its atomic mass is approximately 39. How many neutrons does potassium have?
2 answers
asked anonymously
72 views
When an atom is broken down into parts, what happens to its identity?
The atom is no longer recognizable. The atom takes on a new
2 answers
asked by
Dianni
641 views
how many electrons does a carbon atom have?
3 answers
asked by
emily
1,304 views
The relative atomic mass of magnesium is 24,31. Which is The most common isotope of magnesium?
3 answers
asked by
Emihle Hlehle Mkupa
1,093 views
How are all atoms of iron different from the atoms of all other elements?
A.number of neutrons B.charge on the atoms C.mass
5 answers
asked by
victoria
618 views
Which argument best explains the charge of an atomic nucleus? (1 point)
An atomic nucleus is positively charged because it is
3 answers
asked by
Student
1,526 views
Using the periodic table and your knowledge of atomic structure. Cobalt (Co) and nickel (Ni) have almost identical atomic mass
4 answers
asked by
Welp_oh_dear
1,018 views
5.
Which statement accurately describes the atoms of a specific element? A zinc‚ Zn‚ atom contains 30 protons inside the
4 answers
asked by
Egg Roll
1,532 views
Hi i have a science exam on tuesday and really need some help to see if what im doing is right.
The question is - How many
2 answers
asked by
Jess D
756 views
Hi, could someone check my answers?
The nucleus of an atom is made of _______. electrons and empty space protons and neutrons**
5 answers
asked by
Lauren
782 views
which statement correctly compares the number of protons and electrons in atoms of rubidium (Rb) and calcium (Ca)?
1 answer
asked by
bru
100 views
The four quantum numbers for the last electron placed in the orbitals of a certain element are: n=3 l=2 m of l=0 and m of
4 answers
asked by
Brittany
1,397 views
This is for lesson 9 unit 2 science test: The current atomic model would be revised if A:better microscopes were being used to
4 answers
asked by
Jjjjj
749 views
At most, how many 4d electrons can an atom have? Of these what is the maximum number that
can have ms= -1/2? A 5f electron has
4 answers
asked by
Kim
3,190 views
1. How is a model of an atom different from a real atom?
A. A model of an atom is not as big as an actual atom. B. A model of an
9 answers
asked by
Amber
3,370 views
what is the number of each atom in the unit cell of a BCC cystalline structure unit cell.
I know its 2 atoms=8/8 +1 Calculate
2 answers
asked by
Anonymous
625 views
What determines an atom’s identity?(1 point)
Responses the valence number the number of electrons the number of neutrons the
4 answers
asked anonymously
230 views
Build an Atom
On the home screen, select “Atom.” Using as many electrons, neutrons, and protons and possible, what is the
2 answers
asked anonymously
129 views
1: TRUE or FALSE? Elements are pure types of matter.
2: TRUE or FALSE? Atoms are made from molecules. 3: TRUE or FALSE?
5 answers
asked by
Happy Face
1,992 views
Different elements have different kinds of atoms. How can you tell an atom of one element from an atom of another?
A. the number
2 answers
asked by
Sara Pleaseee
576 views
How many elements are in glucose sugar, C6H12O6? How did you recognize them?
a. How many total atoms are there in this equation?
6 answers
asked by
teacher1
1,365 views
The Composition of Atoms Quick Check
Science 8 Q1 / Matter Interactions A model of an atom shows eight electrons in rings that
3 answers
asked by
iuytredszdxcbnmjkjiu876543wq2asZxbnmkoiu8y76543wq2
305 views
Helium is in group 18 of the periodic table. How is helium different from the other elements in this group?(1 point)
Responses
2 answers
asked by
blu
290 views
1 Name each subatomic particle, its charge, and its location in an atom.
A. proton, positive charge, nucleus; neutron, positive
3 answers
asked by
Anonymous
1,445 views
Confirm that the experimentally observed electronic configuration of K, 1s22s22p63s23p64s1 is energetically more stable than the
3 answers
asked by
Kimora
2,248 views
one way the modern atomic model differs from the bohr model of an atom
2 answers
asked by
Haylie
622 views
diagram all possible pathways for deexciting from n=4 to n=1
3 answers
asked by
David
454 views
Which statement best describes the arrangement of electrons in an atom of fluorine (F)?
(1 point) Responses There are two
2 answers
asked anonymously
266 views
What determines an atom’s identity?(1 point)
Responses the valence number the valence number the number of electrons the number
13 answers
asked by
anoy
152 views
A model of a atom shows eight electrons in rings that represent different energy levels how many electrons are in each energy
3 answers
asked by
Amy
352 views
Use the simulation to answer the question.
Build an Atom On the home screen, select “Atom.” Using as many electrons,
2 answers
asked anonymously
90 views
A model of an atom shows eight electrons in rings that represent different energy levels. How many electrons are in each energy
10 answers
asked anonymously
180 views
What is the significance of carbon having four valence electrons?(1 point)
Responses The outermost shell can only bond with
2 answers
asked by
sweeper
185 views
Can you explain what the pseudo-gas configuration is? I have the definition but I still don't understand.
I have the example..
2 answers
asked by
Sami
955 views
iron has a density of 7.86 g/cm3 and crystallizes a body centered cubic lattice. Show that only 68% of a body centered lattice
4 answers
asked by
Shayla
2,588 views
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
1,618 views
How many electrons can have the quantum numbers n=4; l=2; ml=2 in an atom?
3 answers
asked by
Monika
852 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
4,380 views
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