Answer:
48.6 g
Explanation:
Given data:
Length of one side = 3 cm
Density of cube = 8.1 g/cm³
Mass of cube = ?
Solution:
First of all we will calculate the volume of cube.
V = length × height × width
V = 3 cm × 3cm× 3cm
V = 27cm³
Now we will determine the mass by using density formula.
d = m/v
d = density
m = mass
v = volume
8.1 g/cm³ = m/ 27 cm³
m = 8.1 g/cm³ ×27 cm³
m = 48.6 g
Answer: cations together in a sea of electrons
Explanation:
Metallic bonding is the type of chemical bonding occurs between the atoms of a metals. In this type of bonding arises due to electrostatic interaction between the electron cloud of de-localized electrons with positively charges metal ions called as cations.
These de-localized electrons are the valence electrons of metal atoms which are shared between them.
In ionic bonding , the cations are attracted to anions where cations are formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.
In bulbs 93 percent Argon and 7 percent Nitrogen is filled because both these are generally heavy gases so they reduce transfer of heat between panels in bulb....
also both are colourless and dry gases....
Answer:
Organizing a Birthday Party
On 20 June I was born and every year me and my parents celebrate my birthday in our house. But, This time I had an idea to organize my birthday party in a Big Hall where all my classmates and society friends will join me and we'll play lots of games and Have an amazing party.
So, I discussed my this idea with my father and he said "Okay, we'll celebrate your birthday this time as you wish". Then I took help from my GrandPa to send out invitation cards to my friend's and my father was going to book a Big Party Hall in 'The Calves Restaurant' where we will celebrate my birthday and my mother helped me in getting game ideas which we will play on the birthday.
On Birthday (20th June), when everybody arrived one of my friend sang a beautiful Birthday song from me. Then I blew out the candles off the cake. We also had games like Ludo, carrom, passing pillow, musical chair, and etc. At the end we had DJ where all my friends and my family members enjoyed. This was an amazing party to everyone.
Explanation:
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