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Atomic Structure
Page 2
Questions (4,300)
The average atomic mass of nitrogen is 14.01 u.
Nitrogen exists naturally as nitrogen-14 (mass = 14.00 u) and nitrogen-15 (mass =
5 answers
asked by
Selena
2,615 views
The observed general trend in ionization energies shows two slight discontinuities in each period. Examine the electron
4 answers
asked by
Tommy
2,628 views
Potassium has atomic number of 19.Give three deductions which can be made from this statement
4 answers
asked by
Mary
481 views
How would the dx2−y2 orbital in the n=5 shell compare to the dx2−y2 orbital in the n=3 subshell?
True or False 1.The contour
9 answers
asked by
Kristine
21,886 views
How is the atomic structure of a Copper differ from Germanium, Silicon and Gallium Arsenide ?
Tnx :))
5 answers
asked by
Anne
5,608 views
Which of the following affects how strongly anions and cations are attracted to each other in a solid?
A. The nucleus B. Empty
4 answers
asked by
Morgan
2,531 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
5 answers
asked by
Plzz Help Jiskha Keeps updating and resetting!
3,252 views
what is the relative atomic mass of a silicon containing ore with 92% 28'Si,5%29'Si and 3%30'Si?
4 answers
asked by
Jonathan
568 views
calculate the max wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by
3 answers
asked by
mel
2,707 views
the electronic configuration of element x 2 8 8 1 and y 2 7 and write the formula of the compound formed when they combine
7 answers
asked by
john
2,216 views
Which is not a ground state electron configuration?
A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1
6 answers
asked by
Ivy
2,105 views
individual : identification card :: element : __________
Which of the answer choices best completes the analogy? photon energy
6 answers
asked by
malia
3,308 views
Calculate d energy of d 3rd level of an atom if d ground state energy is -24.8ev
3 answers
asked by
Mei
767 views
How many moles of titanium are in a sample containing 2.8 x 10^24 atoms?
1) 1.69 x 10^48 2) 4.65 x 10^43 3) 4.65 4) 0.0465 5) 48
4 answers
asked by
john doe
468 views
An atom of gold has a mass of approximately 3.25 times 10^-22 grams. What is the mass of 3000 atoms of gold?
4 answers
asked by
Thaddeus
779 views
Matter Interactions Unit Test
1 of 131 of 13 Items Question Cobalt has a mass number of 59 and an atomic number of 27. A student
19 answers
asked anonymously
532 views
An oxygen atom has a mass of 2.66*10 to power of-23g and a glass of water has a mass of 0.050kg use this information to answer
2 answers
asked anonymously
73 views
Calculate the radius of a tantalum (Ta) atom, given that Ta has a BBC crystal structure, a density of 16.6g/cm³, and an atomic
4 answers
asked by
Josh Baruma
566 views
Imagine a circle with a diameter of 2km.if this represents an atom ,which answer would best represent the nucleus?choose the
2 answers
asked by
qwert
732 views
Matter Interactions Unit Test
1 of 131 of 13 Items Question Cobalt has a mass number of 59 and an atomic number of 27. A student
33 answers
asked by
ijwdi
343 views
How many atoms of hydrogen are in a mixture of 3.49x10^23 molecules of H2O and 78.1g of CH3OH?
3 answers
asked by
Madison
902 views
How many H atoms are present in 7.2g of propane, C3H8?
2 answers
asked by
PJcotieboi
578 views
An element x has a relative atomic mass of 88. When a current of 0.5 ampere was passed through the fused chloride of x for 32
1 answer
asked anonymously
38 views
Which statement about an atom is correct?(1 point)
Responses The neutron has no charge and is found outside of the nucleus. The
1 answer
asked anonymously
44 views
5. How many electrons can the first shell hold?
* 1 point 2 8 16 It depends on the atom.
1 answer
asked by
UNKNOWN
43 views
Which statement about an atom is correct?(1 point)
Responses The electron has a negative charge and is found outside of the
1 answer
asked anonymously
32 views
An atom has 17 electrons, 17 protons, and 18 neutrons.
What is false about this atom. •A. The atomic number of this atom is 18.
1 answer
asked by
Cupidsvz
52 views
the atomic mass unit is equivalent to 1/12 of the mass of a neutral atom of which element?
A. carbon B. gold C. oxygen D.
1 answer
asked anonymously
27 views
A student drew atomic models of four elements. Based on these drawings, which element is the least reactive?
(1 point) Gallium ,
1 answer
asked by
yes
23 views
How many of each subatomic particle does a stable Sodium (Na) atom have? (1 point)Responses11 protons, 11 neutrons, and 12
1 answer
asked anonymously
37 views
Nearly all the mass of an atom is contained within _____.(1 point)
Responses neutrons neutrons protons protons the nucleus the
1 answer
asked by
Donald Craven
33 views
What will make an atom without an electrical charge? (1 point)
Responses An equal number of protons and electrons, because
11 answers
asked by
i dont like boys
37 views
What types of atoms have the same number of electrons and protons?
* 1 point all atoms stable atoms ions metalloids
1 answer
asked anonymously
28 views
Which statement about this atom is FALSE? Use the Periodic Table to help you.
17 p 18 n (1 point) Responses This is a chlorine
1 answer
asked anonymously
21 views
Which model below successfully illustrates a Boron (B) atom?
(1 point)
1 answer
asked anonymously
11 views
In reviewing the model of the atom as seen here, match the basic information about atomic structure into appropriate pairs.
A.
1 answer
asked anonymously
26 views
1. In "nuclear symbol notation" what information is written as a subscript to the lower left of the elemental symbol?
A. Ionic
1 answer
asked anonymously
15 views
Iron has a density of 7.86 g/cm3 and crystallines in a body-centered cubic lattice. Show that only 68% of a body-centered
5 answers
asked by
Angie
2,292 views
How did the study of the atom contribute to our understanding of the periodic table of the elements?(1 point)
Experiments that
20 answers
asked by
Bob
5,935 views
One atom of water + one atom of water
15 answers
asked anonymously
112 views
What are moles in chemistry
7 answers
asked by
Bonia
88 views
Define isotope
3 answers
asked by
Bonia
76 views
Which atom is most likely to form a 3+ ion
2 answers
asked by
Bonia
118 views
A carbon atom's nucleus and its electrons become separated by 20nm . How much work does it take to separate them in J?I found
4 answers
asked by
Maurice
689 views
1. The current atomic model would be revised if
(1 point) A• better microscopes were being used to study its structure. B•
11 answers
asked by
John Smith
6,085 views
A large number of hydrogen atoms have electrons to the n=4 state.How many possible spectral lines can appear in the emission
7 answers
asked by
dimpho
2,311 views
A nitride ion has how many electrons
2 answers
asked by
Bonia
96 views
Describe the changes that have happened to the model of the atom over time. (6)
2 answers
asked by
....
92 views
calculate the number of atoms in the following
1)13.8g of sodium 2)0.02 moles of aluminium 3)14.2g of sodium sulphate
1 answer
asked by
Shalom Mbaa
73 views
How many protons, electrons and neutrons are in the aluminum ion ?
4 answers
asked by
Mikz
1,651 views
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