Answer:
Lithium and Sodium
Explanation:
Lithium and Sodium is in the same group 1A
Answer:
ρ = M / V = 2 g / .5 cm^3 = 4 g/cm^3
Frequency heard by listener: fl = ?
frequency of source: fs = 300 Hz
velocity of listener: vl = 16 m/s
velocity of source: vs = 0
<span>velocity of sound in air: c = 344 m/s
</span><span>fl = fs [(c – vl)/c] = 300[(344-16)/344]
</span> =286.04 Hz
A weally works when you pull something and a axle is something that you can push
Explanation:
I hope this helps
According to definition of general chemistry matter is any substance which has atleast a mass and occupies a volume.
Matter is of three types
- Solid
- Liquid
- Gas
