Jaubert chemistry ch 4

which subatomic particle is the lightest

electron was discovered in 1897 by

choose the metalloid

period of S

number of protons in the nucleus

Calcium is in group 2, its family number is

Potassium main family number

vertical column on the periodic table

in CaCl₂ how many atoms of Calcium

atomic theory was proposed in 1809 by

family number of Ar

Which subatomic particle was discovered first

Main family name of silicon

protons are most commonly measured in this unit

negative particle located in the electron cloud

Hydrogen is a metal, nonmetal, or metalloid

This region comprises the biggest volume of the atom

Which scientist has his major accomplishment longest ago

neutron was discovered in 1932 by

carbon is in group 14 what family number

Fluorine has an atomic number of 9 and an atomic mass of 19, how many protons

Boron is a metal, nonmetal, or metalloid

Hydrogen is in this period

Sulfur is in family number 6 what is its family name

neutral particle located in the nucleus

positive particle locate in the nucleus