Answer: some facts about gold are that they are very hard to find and they are really rare.
Explanation:
I think that the answer is going to be D air pressure or A the muscles attached to the ribs
Sodium has 11 protons, therefore number of neutrons must be 23 – 11 = 12 neutrons.
Sodium has 12 neutrons.
<h3>What are neutrons?</h3>
The neutron is a subatomic particle with the symbol n that is slightly heavier than a proton and has a neutral charge (i.e., neither a positive nor a negative charge). Atoms' nuclei are made up of protons and neutrons. Protons and neutrons are both referred to as nucleons because of how similarly they function inside the nucleus and because they both have masses that are about equal to one atomic mass unit. Nuclear physics describes their characteristics and interactions.
The arrangement of electrons around an atom's hefty nucleus largely determines its chemical characteristics. The amount of protons, or atomic number, determines the charge of the nucleus, which determines the electron configuration.
To learn more about neutrons from the given link:
brainly.com/question/5013687
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Answer: The specific heat for iron is
Explanation:
The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.
Q = Heat absorbed= 1050 Joules
m= mass of substance = 220.0 g
c = specific heat capacity = ?
Initial temperature = = 10.0°C
Final temperature = = 20.4°C
Change in temperature ,
Putting in the values, we get:
The specific heat for iron is