The convection transfers the heat to the cold surface or crust in this case the crust gets warmed up from the heat. The same way if you put a pot of water or whatever on the stove the heat source is warming up the cold liquid by transfering its energy. hope this help.
Both salt and sugar have radically different properties (both ... known as table salt, is an ionic compound with the chemical formula NaCl, ...
Answer:
The same 45.98 g of NaCl will be produced since 2 moles of Na will react with 2 moles of NaCl. Hence the stoichiometric coefficient will be in a ratio of 1:1
Answer:
They are generally found in mines
Answer: There are 20 neutrons in the isotope
Explanation:
In isotope , 18 represents atomic number and 38 represents mass number.
Atomic number : It is defined as the number of electrons or number of protons present in a neutral atom.
Thus, number of protons = atomic number = 18
Mass number is the number of the entities present in the nucleus which is the equal to the sum of the number of protons and electrons.
Mass number = Number of protons + Number of neutrons = 38
Thus : 38 = 18 + Number of neutrons
Number of neutrons = 20
Thus there are 20 neutrons in the isotope