Answer:
a. KCl
Explanation:
a. KCl - made of 2 elements
b. NH4Cl
c. KClO3
d. NH4ClO3
Mass number - # of protons = #neutrons, so I would say the answer is 5
You can find the neutrons by subtracting the mass by the atomic number. 14-6=8 neutrons
Answer:
Explanation:
Most copper is used in electrical equipment such as wiring and motors. This is because it conducts both heat and electricity very well, and can be drawn into wires. It also has uses in construction (for example roofing and plumbing), and industrial machinery (such as heat exchangers).