Answer:
He should ask an adult if they know what the solution is. if they dont, put it back and find a different cleaning solution to use
From the periodic table, we can see that:
At ground state, the hydrogen atom has one electron
Based on the electronic configuration, at ground state this electron should be occupying the orbital (1s)
Since (1s) is not one of the choices, therefore, the answer is "none of the above"
Are there answer choices or is it just right it your self?
<h3>1.Option B</h3><h3>Elements can be defined as pure substances that are made up of only single type of atom. </h3>
<h2>Note:</h2>
- Single type of atom not single atom
<h3>2.Option B </h3><h3>Aluminum foil is correct because heterogenous mixtures are uniform throughout the mixture. and foil is uniform but other option given are not uniform.</h3>
Glittering in the light
Opaque, not transparent
Light to the hold
D-block element
