The chemical formula is CaC2
Answer:
An acid is a substance that when dissolved in water produces hydroxonium ion as the only positive ion in water
Explanation:
HCL +H20=H3O + CL
The best answer is no bc the question ask "Would the two as yet undiscovered element A+1 and D+2" don't sound right
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The correct answer according to rutherford's model of atom include,
1. The atom's positive charge is located in the atoms nucleus.
2. Electrons orbit which are around the center of an atom.
3. Atom is mostly empty space.
Cobalt
Hydrogen
Europium
Magnesium
Iodine
Sulfer
Titanium
Radon
Yttrium
