The density of the block will be "7.11 gm/cm³". A further explanation is provided below.
Given values are:
Density of iron,
Mass of block of metal,
Volume of block,
By using the formula,
→ 
then,
→ The density of block will be:
= 
= 
= 
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Answer: There are 
formula units
Explanation:
According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 
of particles.
To calculate the moles, we use the equation:
1 mole of 
contains = formula units
Thus 0.38 moles of contains = 
formula units
Thus there are formula units
Answer:
Physics is a natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. More broadly, it is the study of nature in an attempt to understand how the universe behaves.
Explanation:
Explanation:
its b cz the gain electrons i think
Answer:
Option D. equation D
Explanation:
Positron is simply a beta plus decay or superscript 0 e subscription 1 (0 1 e).
Now, let us consider the options given:
Option A is emitting alpha decay
Option B is emitting beta minus decay.
Option C is emitting beta minus decay.
Option D is emitting beta plus decay also known as Positron.
