It is a base due to the color change!
Hope this helps!
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Thermometer
Probably a digital thermocouple with high resolution
Answer:
A bird's feathers are supposed to keep the bird warm and help them fly. A tree's bark is supposed to protect the inside of the tree.
Explanation:
If a tree has no bark, the inside of it is exposed. If a bird has no feathers, the bird is cold and cant fly.
Answer:
The answer to your question is below
Explanation:
Element Atomic number Atomic mass # proton # neutron # electron
Copper 29 64 29 35 29
Fluorine 9 19 9 10 9
Lead 82 207.2 82 125 82
Sodium 11 23 11 12 11
Nitrogen 7 14 7 7 7
47.- Atomic number, Atomic mass, number of protons, neutrons and electrons
48.- Element, atomic mass, number of protons, neutrons and electrons
49.- Element, atomic number, atomic mass, neutrons and electrons
50.- element, atomic number, atomic mass, protons and neutrons
51.- element, atomic number, protons, neutrons and electrons
Answer:
A nitrogen atom must gain three electrons to have the same number of electrons as an atom of the following noble gas, neon. Thus, a nitrogen atom will form an anion with three more electrons than protons and a charge of 3−. The symbol for the ion is N3−, and it is called a nitride ion.