Chemistry and Physics review (Roman Numerals I-XV)

What do elements Sulfur (S), Nitrogen (N), Phosphorus (P), and Bromine (Br) have in common?

all nonmetals

when magnesium (Mg) metal is burned in h presence of oxygen (o2), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is:

compound b/c it is different elements

Describe all subtonic particles of an atom by stating everything in reference to the nucleus (core)?

core of protons and neutrons surrounded by electrons

Which subtonic particle is found farthest from the center of an atom

electron

Within a substance, atoms collide frequently and move independently of one another are most likely in a

gas

what class of elements best conducts electricity?

metals

In what region of the periodic table would nonmetals be found?

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