Acceleration i am pretty sure
Answer:
Hydrogen's location is related to it's electron configuration not it's properties.
Even though hydrogen is gas it can be used as fuel in automobile because it is flammable
A Wedge is made by placing two inclined planes back to back.
A Screw is made by wrapping an inclined plane around a cylinder.
<u>Explanation:</u>
- A wedge is an uncomplicated machine that consists of two sloping planes, providing it a thin end and thick end.
- A wedge is used to separate or split apart objects.
- Force is employed to the thick end of the wedge, and in turn, applies force to the object along both of its sloping sides.
- A screw is a simplistic machine that consists of an inclined plane wrapped around a cylinder or cone.
- The absolute mechanical benefit of wedges and screws is invariably higher than 1.
Explanation:
question 44
the number 35 of bromine represents the atomic number
question 45
29 protons,
27 electrons
29-27 = +2
the charge on the following particle is
+2
Density=mass/volume
Density=140g/100ml
Density=14g/ml
