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Question : An element is a substance that?
Answer : An element is a substance that cannot be separated into simple substances.
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Explanation: The atomic mass of iron (Fe) is 55.85 amu. The atomic mass of radium (Ra) is 226 amu. One mole of atoms of any element contains 6.022 X 1023 atoms, regardless of the type of element. The mass of one mole of an element depends on what that element is, and is equal to the atom mass of that element in grams.
Answer:
There are three covalent bonds existing between NH3. .
Answer:
For enlightenment, development and making people understand the usefulness of the product
A. Fewer valence electrons
Valence electrons are electrons that are held most loosely in the outermost shell.
