Answer:
Na k
Explanation:
because na is a metal and potassium is also a metal and both are active metal so is less likely to react as no bond is formed between them
The answer is 2.138 g of H2
CaVa=CbVb
2xV=1X25
V=25/2
V=12.5ML
Answer:
Potential energy
Explanation:
A mountain climber at the peak of a mountain has potential energy.
The potential energy of a body is stored energy in a body. It is function of mass and position of the body.
Mathematically;
P.E = mgh
m is the mass
g is the acceleration due to gravity
h is the height
Answer: 2 atoms
Explanation: 2 in Co2 means 2 atoms
