Questions LLC
Login
or
Sign Up
Ask a New Question
Atomic Structure
Page 3
Questions (4,303)
Number of chlorine atoms present in the MgCL2 produced which is 5.90
4 answers
asked by
Bonia
102 views
how many atoms are in 25 moles of carbon
2 answers
asked by
z
79 views
Chlorine has an average atomic mass of 35.45 amu. The 2 naturally occurring isotopes of chlorine are chlorine-35 and
9 answers
asked by
Twilight lover
3,809 views
A hydrogen-like ion is an ion containing only one electron. The energy of the electron in a hydrogen-like ion is given by:
En=-(2
6 answers
asked by
Anonymous
1,058 views
I don't even know how to start this...The valence electron configurations of several atoms are shown below. How many bonds can
12 answers
asked by
Stacy
17,336 views
A sample of propane, C3H8, contains 15.1 moles of carbon atoms. How many total moles of atoms does the sample contain?
2 answers
asked by
Anonymous
588 views
Is a small group or cluster of atoms carrying a charge that keeps it's identity
a.atom b.radical c.isotope .ion
2 answers
asked by
Zipporah
96 views
One isotope of holmium, 162Ho, has a half life of 22 minutes. The half-life of a second isotope, 164Ho, is 37 minutes. Starting
2 answers
asked anonymously
98 views
The diameter of four different types of atoms are given below.
Atom A:1.35x10^-7 mm; Atom B:1.80x10^-7 mm; Atom C:6.00x10^-8 mm;
2 answers
asked anonymously
95 views
what is mole
1 answer
asked by
Shalom Mbaa
61 views
what are the neutrons of 226/88
1 answer
asked by
boopboooooop
110 views
How many electron is found in deuterium?
4 answers
asked anonymously
55 views
1. What is the smallest part of all matter called? (1 point) *
a. Element b. Atom*** c. Molecule d. Compound 2. Which of the
4 answers
asked by
Anon
1,712 views
In 1.71 gram of sugar find the number of. carbon. Atoms added.
5 answers
asked by
anonymous _25
129 views
mass of 12*10^24 atoms of hydrogen
7 answers
asked by
anonymous _25
79 views
In 1.71 gram of sugar (C12H22O11) find the number of. carbon. Atoms added.
4 answers
asked by
anonymous _25
108 views
the number of atoms of oxygen present in 11.2 l of ozone at ntp are
2 answers
asked by
anonymous _25
211 views
Number of atoms in 2 gram O2.
2 answers
asked by
anonymous _25
122 views
1)Five possible transitions for a hydrogen atom are listed below: Select whether the atom gains or loses energy for each
4 answers
asked by
Sandhya
2,713 views
how can you determine the number of protons, electrons,neutrons, atomic number, and the atomic mass of an element using the
3 answers
asked by
Kate
1,376 views
In Rutherford's Gold Foil experiment, he bombarded gold with alpha particles and discovered the ....
electron?
4 answers
asked by
Molly
525 views
The principal quantum number of the electrons that are lost when tungsten forms a cation is ?
Tungsten is a transition metal.
4 answers
asked by
koolchem
3,911 views
Due to the screening effect, the 3s electrons of magnesium (Mg) feel an effective nuclear charge (Zeff) of:
1. +1 2. +2 3. −2
5 answers
asked by
Bill
6,509 views
number of atoms in 50dm^3 of nitrogen gas
3 answers
asked by
Tanaka
95 views
The size, mass, and arrangement of atoms affect the density of a substance.
If a substance has a low density, what can you guess
6 answers
asked by
Amy
3,682 views
Plse help i need so much help on thes questions i am SO confused
10. What is stucturally diffrent between an atom and an ion? 13.
4 answers
asked by
Amy
476 views
Of the following transitions in the Bohr hydrogen atom, the ____ transition results in the emission of the highest-energy
4 answers
asked by
Jessica
10,106 views
23
X 11 what is the number of protons
2 answers
asked by
kiaan
35 views
1. groups/ family of elements are ones which:
A. Have the same number of electrons in the valence/ outer engery level B. Have
4 answers
asked by
Mileena
1,094 views
1s22s22p5
Which statement about the reactivity of the element is true? It is reactive because it has a full outermost energy
2 answers
asked anonymously
79 views
valency of osmium
7 answers
asked by
anonymous _25
129 views
Define electron affinity
2 answers
asked anonymously
85 views
How many carbon atoms are contained in single molecule of source?
2 answers
asked by
Fuad Faji Femal
78 views
How many valence electrons does a nitrogen atom have
2 answers
asked by
Bonia
78 views
Which atom is most likely to form a 3+ ion?
A. Li B.Kr C.P D.Sr E.Fe
2 answers
asked by
Bonia
90 views
The. total number of atoms in. 8.5 gram of NH3 is.
2 answers
asked by
anonymous _25
141 views
A carbon atom has a relative atomic mass of 12.7.
75% of the carbon atom has a mass number of 12.9, whilst the remaining 25% has
2 answers
asked by
....
119 views
Calculate the number of atoms in 3.227*10 ^10mol of potassium
5 answers
asked by
anonymous _25
140 views
One mole of N2 molecules.
7 answers
asked by
anonymous _25
110 views
in the rutherford scattering experiment, how did some of the atoms’ paths being deflected and bounced back mean that there was
2 answers
asked by
....
76 views
the weight of a diamond is given in carats . one carat is equivalent to 200mg . a pure diamond is made up entirely of carbon
2 answers
asked by
anonymous _25
130 views
how much protons does sodium has
2 answers
asked anonymously
84 views
how many protons does neon has
7 answers
asked anonymously
95 views
calculate mass of8.22*10^23atoms of rubidium
2 answers
asked by
anonymous _25
88 views
the number of moles in 4.61*10^17 atoms of radon
2 answers
asked by
anonymous _25
92 views
the number of moles in 4.61*10^7 atoms of radon
2 answers
asked by
anonymous _25
71 views
the number of moles in 950000000atoms of plutonium
2 answers
asked by
anonymous _25
72 views
the number of moles in 3.008*10^19 atoms of silver
2 answers
asked by
anonymous _25
74 views
the number of moles in 1.06*10^23 atoms of tungsten
2 answers
asked by
anonymous _25
97 views
the number of moles in 6.022*10^24 atoms of cobalt
21 answers
asked by
anonymous _25
112 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (53)
Atomic Models
Atomic Physics
Atomic Theory
Atoms
Atoms and Element
Atoms and Elements
Basic Concepts
Chemical Bonding
Chemistry
Chemistry or Physics
Chemistry or Physics ? (Depends on the context)
Chemistry or Science
Electromagnetism
Elements
elements and compounds
Elements/Atoms
Energy
Materials Science
Mathematics and Physics
Matter
Matter and Materials
Matter Interactions
Molecules
Nuclear Chemistry
Nuclear Physics
Organic Chemistry
Particle Physics
Periodic table
Periodic Table of Elements
Physical Chemistry
Physical Science
Physical Sciences
Physics
Physics (or could be Quantum Mechanics)
Physics and Chemistry
Physics or Chemistry
Physics or Chemistry (depending on the focus of the website)
Physics or Science
Physics/Chemistry
Physics/Mathematics
Properties of Elements
Quantum Mechanics
Quantum Physics
Science
Science (or Chemistry)
Science and Chemistry
Science and Physics
Science and Technology
Science Education
Science or Physics
Science/Chemistry
Science/Physics
Types of Solids