Answer:
a television
Explanation:
A television utilizes plasma in its plasma display screen.
Ice cream will have a physical change because you can re freeze it and it will still be ice cream
Answer:
Hope it helped
Explanation:
For neutral atoms, the number of valence electrons is equal to the atom's main group number. The main group number for an element can be found from its column on the periodic table. For example, carbon is in group 4 and has 4 valence electrons. Oxygen is in group 6 and has 6 valence electrons.
N just use a electronegativity table
