Physical and Chemical Changes
writing on paper: physical or chemical change
is hydrogen a metal or a nonmetal
non metal
what is atomic structure
The arrangement of protons, neutrons, and electrons
what is an ionic compound
non metal and metal
What is the second biggest country in the world
Canada
mixing acid and water: physical or chemical change
chemical
Is there a majority of metals or nonmetals on the periodic table
metals
how many valance shells does Lithium have
1
what is a covalent compound
non metal and non metal
what is the most populated country in the world
India
making coffee: physical or chemical change
physical change
what is the chemical formula for tin
Sn
how many electrons can the first valence shell hold
2
what is something you have to write when naming multvalent ionic compounds
roman numerals
what country is the most popular to visit
France
lighting a match: physical or chemical change
chemical change
what is the charge(s) for manganese
+2 +4
how many valence shells does Magnesium have
3
what is the prefix for 3?
tri
what is the smallest countries in the world
the Vatican city
the ripening of fruit: physical or chemical change
chemical change
what is the charge of livermorium
+2
what is a bhor diagram ?
A model that shows how many electrons an atom has around its nucleus?
what is the prefix for 6 and 7
hexa and hepta
how many country's are in the world
195