Answer:
..............,.,.,.,,..,,.,.,
Answer:
10 neutron
Explanation:
No.of neutron=Mass no. -- atm no.(or no.of p)
No of neutron=19 -- 9
=10
<u>Answer:</u>
<em>Actual temperature for the given temperature with thermometer with error of 6.5% is 63.8 degrees.</em>
<u>Explanation:</u>
The percentage error in thermometer is 6.5% this means that if the temperature is 100 degrees the thermometer shell show 106.5 degrees. now calculating the <em>actual temperature of the thermometer when the given temperature is 68°</em>
<em>Applying unitary method for solution 106.5</em>
Then 100 will be
= 
= <em>63.8 Degrees</em>
<em>On solving the value of this equation will give the actual temperature as 63.8 Degrees .</em>
a)Atomic number is the number of protons in the nucleus of an atom.
b)atomic number represents the number of protons
Answer:
protons
Explanation:
electron number changes when the atom reacts with another atom to gain a full octet
neutron number changes when it goes through radioactive decay
but proton number never changes