Answer:
c) a compound
Explanation:
a compound is something made up of two or more separate elements, the separate elements in water are hydrogen(H) and oxygen(O)
You have 3 (h2(so4)) on the reactants side so you need to have 6 total hydrogen’s on the products side. Therefore 3(h2) is required.
Answer:
Hence, the wavelength of the photon associated is 1282 nm.
Explanation:
Answer:
2+
Explanation:
The charge on Z in the compound ZB₂ is a 2+
From the given compound:
We know that Br is bromine with a charge of -1;
So;
Using the combining power approach:
Atoms Z Br
Combining power 2 1
Exchange of valency 1 2
So;
The charge on Z is 2+
2
A compound machine is that which is composed of two or more simple machines. Simple machines come in 6 basic types: (1) wheel and axle, (2) inclined plane, (3) wedge, (4) pulley, (5) screw, and (6) lever. Among the choices given above, the compound machine is the can opener for it is a combination of a wedge and a lever.
