Answer:
D. Use x-ray radiation to see if there are any fractured bones.
Explanation:
The football player may have fractured a bone while he was practicing or playing, so it is best for the doctor to check if the player broke his bone or fractured it.
When going down a group the no of orbits increases. That is n value increases (n=principle quantum number). When the number of atomic orbitals increases, the radius gradually increases. (going down the group means the number of obits that electrons can fill will increase)
And the atomic radius from left to right in the periodic table actually DECREASES. That is due to increase in electronegetivity to the right side of the periodic table.
<span>stage 1: The thylakoid captures light energy.</span>
Answer:
Single Replacement reaction
Explanation:
Reaction Given:
2Na + 2HCI ------> H₂ + 2NaCl
Type of reaction = ?
Solution:
Look at the reactants and products of the reaction to know the type of reaction
2Na + 2HCI ------> H₂ + 2NaCl
In this reaction two reactant combine and give 2 products.
Reactant of the reaction
Na = Sodium
HCl = Hydrochloric acid
Product of the reaction
NaCl = sodium chloride
H₂ = hydrogen gas
So,
That sodium metal react with hydrochloric acid and produce salt and water gas
Type of Reaction:
This is a Single Replacement reaction, in which Sodium metal (Na) replace the Hydrogen (H) of the other compound and form Sodium Chloride salt (NaCl) and hydrogen liberate in the form of gas.
Answer:
The object A will be having the greater density compared to object B.
Explanation:
It is known that density of any object is defined as the mass of any object occupying a given volume. So the ratio of mass and volume will help to determine the density of any object. 
From the above equation, it can be seen that the density of any object is directly proportional to the mass of the object and inversely proportional to the volume occupied by the object.
So in the present context, the mass of objects A and B are same and it is 100 g. Thus, the density of object A and object B will be influenced by their volume. As it is given that the volume of object A is 50 cm3 and object B is 100 cm3, then depending upon the relationship of volume and density, the density of both the objects can be determined. As the object with higher volume will be having lesser density as volume is inversely proportional to density. Thus, in the given case the volume of object B is greater than object A and so the object A will be having greater density compared to object B.
