How many orbitals does the n = 4 shell have?
DONE
Answers
Answer:
16
Explanation:
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B) Light bends around a sharp edge
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Answers
False
not all forces cause motion
Some forces, like gravity and friction, resist or work against movement.
have a goed day
B.a definite shape,but no definite volume
C.No definite shape,but a definite volume
D.no definite shape and no definite volume
Answers
A substance in the solid phase (state) of matter has a definite shape and a definite volume.
What is volume?
Volume is the amount of space taken up by an object, while capacity is the measure of an object's ability to hold a substance, like a solid, a liquid or a gas. Volume is measured in cubic units, while capacity can be measured in almost every other unit, including litres, gallons, pounds, etc.
Matter in the solid-state maintains a fixed volume and shape, with component particles (atoms, molecules or ions) close together and fixed into place.
Hence, option A is correct.
Learn more about phases here:
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Answer
When vibration of molecules increases, the temperature, internal energy and kinetic energy of the substance increases.
Explanations
The kinetic theory of matter explains that when vibration of molecules increase as a result of heat, molecules move faster and the space between atoms increases. The increased molecular motion results into expansion of the object which takes more space. Increased vibration can make a molecule absorb discrete amounts of energy through the various vibration modes. When the motion increases, the velocity of the entire molecule rises as a random Brownian movement to increase the kinetic energy and internal energy of the molecule.
Answer:
All of the above. Hope this hepls:)
Answers
Answer:
Explanation:
Balancing is making the number of atoms of each element same on both the sides (reactant and product side).
To find the number of atoms of each element we multiply coefficient subscript
For example contains
5 × 1 = 5 ,Ca atoms and
5 × 2 = 10, Cl atoms
If there is a bracket in the chemical formula
For example we multiply coefficient × subscript × number outside the bracket to find the number of atoms
(Please note: 3 is the coefficient, and if there is no number given then 1 will be the coefficient )
So
3 × 3 = 9 , Ca atoms
3 × 1 × 2 = 6, P atoms
3 × 4 × 2 = 24, O atoms are present.
So
Let us balance the equation given
(balanced equation)
Reactant side Elements Product side
1 Ba 1
2 Cl 2
4 H 4
2 O 2
Balanced!!!
Answers
Answer: Yes
Explanation: When powdered drink is mixed in the water, saturated solution will be formed. After some time, a point would come when the powdered drink would stop getting mix into the water. That point is known as saturation point. This point would give a clear solution as all the solute particles are dissolved in the solvent completely.
Now if we let all the liquid evaporate out of the pitcher, then we would be able to see only those particles which would not be dissolved into the solution completely.