Answer:
Potassium
Explanation:
It's in group 1 in the periodic table of elements
Evaporation is the rate at which liquid changes into gas. The higher the temperature the higher the increased rate of evaporation.
So if the liquid cools which means the temperature reduces, the rate of evaporation would decrease.
So evaporation rate decreases. B.
a. SiO2 is inorganic
b. CsH4Cl2 and c. CsH202(OH)3 are organic
Got no idea for d. Caci
Answer:
D. 3.844 x 10^5
3.844 is between 1 and 10, so that is correct.
Not C because if it is negative it would be a decimal from 0 e.g -> 0.88
Answer:
Volume of the cube is 2*2*2 = 8cm^3.
Divide the weight (40g) over the volume (8cm^3).
Density is 5g/cm^3. Definitely not gold.
Explanation: